为什么拨号键盘上除了数字 ，还有“*”和“#”？
<p style="text-align: center;"></p><section style="box-sizing: border-box;font-style: normal;font-weight: 400;text-align: justify;font-size: 16px;" data-mpa-powered-by="yiban.io"><section style="text-align: center;font-size: 15px;line-height: 2;box-sizing: border-box;" powered-by="xiumi.us"><p style="margin: 0px;padding: 0px;box-sizing: border-box;">经常打电话，你有没有发现一个问题</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;"><span style="letter-spacing: 1px;">明明打电话只需要用到数字0-9</span></p><p style="margin: 0px;padding: 0px;box-sizing: border-box;"><span style="letter-spacing: 1px;">为什么拨号键盘上除了数字</span></p><p style="margin: 0px;padding: 0px;box-sizing: border-box;"><span style="letter-spacing: 1px;"><span style="box-sizing: border-box;">还有</span><span style="font-size: 18px;box-sizing: border-box;"><strong style="box-sizing: border-box;">“*”</strong><span style="font-size: 15px;box-sizing: border-box;">和</span><strong style="box-sizing: border-box;">“#”</strong></span></span><span style="font-size: 18px;box-sizing: border-box;"><strong style="box-sizing: border-box;"></strong></span></p></section><section style="text-align: left;justify-content: flex-start;display: flex;flex-flow: row;margin: 0px 0px 10px;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;background-color: rgba(234, 244, 252, 0.56);box-sizing: border-box;"><section style="text-align: center;margin: 10px 0px 0px;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="vertical-align: middle;display: inline-block;line-height: 0;border-style: solid;border-width: 0px;border-color: rgb(234, 244, 252);width: 88%;height: auto;box-sizing: border-box;"></section></section><section style="text-align: justify;line-height: 1;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;"><br style="box-sizing: border-box;"/></p></section></section></section><section style="line-height: 1;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;"><br style="box-sizing: border-box;"/></p></section><section style="font-size: 15px;line-height: 2;padding: 0px 6px;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;">那么问题来了，明明我们很少用到这两个按键，拨号键盘为什么是这样设计的呢？这两个按键又有着什么样的作用呢？</p></section><section style="line-height: 1;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;"><br style="box-sizing: border-box;"/></p></section><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;width: 96%;height: auto;box-sizing: border-box;"></section></section><section style="line-height: 1;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;"><br style="box-sizing: border-box;"/></p></section><section style="margin: 10px 0%;text-align: center;justify-content: center;display: flex;flex-flow: row;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;box-shadow: rgb(204, 204, 204) 3.53553px 3.53553px 4px;border-color: rgb(95, 156, 239);border-width: 1px;border-style: solid;padding: 10px 0px 10px 10px;vertical-align: middle;align-self: center;flex: 0 0 auto;width: 89%;height: auto;box-sizing: border-box;"><section style="margin: -3px 0%;text-align: justify;justify-content: flex-start;display: flex;flex-flow: row;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;vertical-align: top;width: 87%;box-shadow: rgb(0, 0, 0) 0px 0px 0px;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="margin: 0px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="font-size: 15px;line-height: 1.4;box-sizing: border-box;"><p style="white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;"><strong style="box-sizing: border-box;">1.为什么设计*键和#键?</strong></p></section></section></section><section style="display: inline-block;vertical-align: top;width: 12%;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="text-align: center;margin: -3px 0% -5px;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section></section></section></section></section><section style="line-height: 1;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;"><br style="box-sizing: border-box;"/></p></section><section style="text-align: left;justify-content: flex-start;display: flex;flex-flow: row;margin: 0px 0px 10px;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;background-image: linear-gradient(rgb(190, 232, 226) 0%, rgba(190, 232, 226, 0) 100%);padding: 10px 27px;box-sizing: border-box;"><section style="margin: 2px 0px 0px;box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: center;color: rgb(62, 62, 62);font-size: 15px;line-height: 2;box-sizing: border-box;"><p style="margin: 0px;padding: 0px;box-sizing: border-box;">*键和#键出现在手机按键中</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;">有最主要的两个原因：</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;"><strong style="box-sizing: border-box;">一种是为了排列美观</strong></p><p style="margin: 0px;padding: 0px;box-sizing: border-box;"><strong style="box-sizing: border-box;">一种是拓展的功能键</strong></p></section></section><section style="text-align: center;font-size: 15px;line-height: 2;box-sizing: border-box;" powered-by="xiumi.us"><p style="margin: 0px;padding: 0px;box-sizing: border-box;">这两个键，要追溯到20世纪60年代</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;">贝尔实验室在研制电话与电脑的交互</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;">由于0-9只有十个数字</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;">设计者考虑到</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;">如果使用3乘3排列方式是9个按键</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;">使用3乘4排列方式则是12个按键</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;">0-9少一个数字肯定不行</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;">所以最后选择了3乘4的布局</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;">于是多出来的两个</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;"><strong style="box-sizing: border-box;">就变成了*和#</strong></p></section></section></section><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="vertical-align: middle;display: inline-block;line-height: 0;width: 88%;height: auto;box-sizing: border-box;"></section></section><section style="line-height: 1;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;"><br style="box-sizing: border-box;"/></p></section><section style="margin: 10px 0%;text-align: center;justify-content: center;display: flex;flex-flow: row;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 89%;vertical-align: middle;box-shadow: rgb(204, 204, 204) 3.53553px 3.53553px 4px;border-color: rgb(95, 156, 239);border-width: 1px;border-style: solid;padding: 10px 0px 10px 10px;align-self: center;flex: 0 0 auto;height: auto;box-sizing: border-box;"><section style="margin: -3px 0%;text-align: justify;justify-content: flex-start;display: flex;flex-flow: row;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;vertical-align: top;width: 87%;box-shadow: rgb(0, 0, 0) 0px 0px 0px;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="margin: 0px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="line-height: 1.4;font-size: 15px;box-sizing: border-box;"><p style="white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;"><strong style="box-sizing: border-box;">2.*键和#键都有什么作用？</strong></p></section></section></section><section style="display: inline-block;vertical-align: top;width: 12%;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;"><section style="text-align: center;margin: -3px 0% -5px;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section></section></section></section></section><section style="line-height: 1;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;"><br style="box-sizing: border-box;"/></p></section><section style="text-align: left;justify-content: flex-start;display: flex;flex-flow: row;margin: 0px 0px 10px;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 100%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;background-image: linear-gradient(rgb(190, 232, 226) 0%, rgba(190, 232, 226, 0) 100%);padding: 10px 27px;box-sizing: border-box;"><section style="margin: 2px 0px 0px;box-sizing: border-box;" powered-by="xiumi.us"><section style="text-align: center;color: rgb(62, 62, 62);font-size: 15px;line-height: 2;box-sizing: border-box;"><p style="margin: 0px;padding: 0px;box-sizing: border-box;">其实刚设计出来的时候</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;">设计者也不知道要用来干嘛</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;">多出来的这两个键</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;">完全是留作未来开发的</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;">后来事实证明</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;">这两个键确实起到了很大的作用</p></section></section><section style="text-align: justify;line-height: 1;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;"><br style="box-sizing: border-box;"/></p></section><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;width: 100%;height: auto;box-sizing: border-box;"></section></section><section style="text-align: justify;line-height: 1;box-sizing: border-box;" powered-by="xiumi.us"><p style="white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;"><br style="box-sizing: border-box;"/></p></section><section style="text-align: center;font-size: 15px;line-height: 2;box-sizing: border-box;" powered-by="xiumi.us"><p style="margin: 0px;padding: 0px;box-sizing: border-box;">使用过直板手机的小伙伴</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;">还记得你当时的手机是怎么解锁的吗</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;">是不是功能键+*键</p><section style="text-align: center;line-height: normal;"><br/></section><p style="text-align: center;"></p><section style="text-align: center;line-height: normal;"><br/></section><p style="margin: 0px;padding: 0px;box-sizing: border-box;">而在智能手机时代</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;">用到*键和#键的时候也不少<span style="font-size: 16px;letter-spacing: 0.034em;"></span></p></section><section style="text-align: center;font-size: 15px;line-height: 2;box-sizing: border-box;" powered-by="xiumi.us"><p style="margin: 0px;padding: 0px;box-sizing: border-box;">你知道手机的IMEI码是什么吗</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;">它是手机的序列号</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;">相当于手机的身份证</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;">想知道手机的“身份证号”</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;">在拨号界面按<strong>*#06#</strong>就可以查询啦</p></section></section></section><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"></section></section><section style="display: flex;flex-flow: row;margin: 10px 0%;text-align: left;justify-content: flex-start;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;vertical-align: middle;width: auto;flex: 100 100 0%;align-self: center;height: auto;box-sizing: border-box;"><section style="margin: 0px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="height: 1px;background-color: rgb(95, 156, 239);box-sizing: border-box;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"></svg></section></section></section><section style="display: inline-block;vertical-align: middle;width: auto;align-self: center;min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;box-sizing: border-box;"><section style="display: flex;flex-flow: row;text-align: center;justify-content: center;margin: 0px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;width: 45px;vertical-align: top;background-color: rgb(95, 156, 239);flex: 0 0 auto;height: auto;line-height: 0;letter-spacing: 0px;align-self: flex-start;box-sizing: border-box;"><section style="margin: 0px 0%;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;width: 100%;height: auto;box-sizing: border-box;"></section></section></section></section></section><section style="display: inline-block;vertical-align: middle;width: auto;align-self: center;flex: 100 100 0%;box-sizing: border-box;"><section style="margin: 0px 0%;box-sizing: border-box;" powered-by="xiumi.us"><section style="height: 1px;background-color: rgb(95, 156, 239);box-sizing: border-box;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"></svg></section></section></section></section><section style="text-align: center;font-size: 15px;line-height: 2;box-sizing: border-box;" powered-by="xiumi.us"><p style="margin: 0px;padding: 0px;box-sizing: border-box;">在我们打电话办理业务时</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;">有的小伙伴身份证号是以X结尾</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;">那我们在拨号键盘上输入身份证号时</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;">就可以用*键代替X输入即可</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;">除此之外</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;"><span style="color: rgb(51, 51, 51);font-family: Arial, sans-serif;font-size: 13px;letter-spacing: normal;text-align: start;text-wrap: wrap;background-color: rgb(255, 255, 255);">*</span>键还经常被用作返回上一级</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;">这两个键有时还被用作通话转接</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;">就像我们拨打客服经常听到的一句话</p><p style="margin: 0px;padding: 0px;box-sizing: border-box;">“输入密码并按#键结束”</p><p style="text-align: center;"></p><p style="text-align: center;"><strong style="outline: 0px;font-family: system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 0.544px;text-align: center;text-wrap: wrap;color: rgb(255, 129, 36);font-size: 24px;"><strong style="outline: 0px;color: rgb(136, 136, 136);font-size: 12px;letter-spacing: 0.544px;"><span style="outline: 0px;font-family: system-ui, -apple-system, system-ui, Helvetica Neue, PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif;letter-spacing: 1.5px;">长按识别二维码 关注官方账号</span></strong></strong></p><p style="text-align: center;"></p></section><section style="margin: 10px 0%;text-align: left;justify-content: flex-start;display: flex;flex-flow: row;box-sizing: border-box;" powered-by="xiumi.us"><section style="display: inline-block;vertical-align: middle;width: 38%;align-self: center;flex: 0 0 auto;box-sizing: border-box;"><section style="margin: 0.5em 0px;box-sizing: border-box;" powered-by="xiumi.us"><section style="border-top: 1px dashed rgb(180, 179, 179);box-sizing: border-box;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"></svg></section></section></section><section style="display: inline-block;vertical-align: middle;width: 24%;align-self: center;flex: 0 0 auto;box-sizing: border-box;"><section style="text-align: center;color: rgb(249, 110, 87);box-sizing: border-box;" powered-by="xiumi.us"><p style="margin: 0px;padding: 0px;box-sizing: border-box;"><strong style="box-sizing: border-box;">往期推荐</strong></p></section></section><section style="display: inline-block;vertical-align: middle;width: 38%;align-self: center;flex: 0 0 auto;box-sizing: border-box;"><section style="margin: 0.5em 0px;box-sizing: border-box;" powered-by="xiumi.us"><section style="border-top: 1px dashed rgb(180, 179, 179);box-sizing: border-box;"><svg viewbox="0 0 1 1" style="float:left;line-height:0;width:0;vertical-align:top;"></svg></section></section></section></section><section style="text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;box-sizing: border-box;" powered-by="xiumi.us"><section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;"><a target="_blank" href="http://mp.weixin.qq.com/s?__biz=Mzg2NjgxMzM3NQ==&mid=2247495297&idx=1&sn=f96a7b22564da2430b1d144100673ce4&chksm=ce47ba51f9303347d786cecde8d4bf8f6139184dae81bb5c6428bb5bc666adc0fc1a3d18807f&scene=21#wechat_redirect" textvalue="你已选中了添加链接的内容" linktype="text" imgurl="" imgdata="null" data-itemshowtype="0" tab="innerlink" data-linktype="2"><span class="js_jump_icon h5_image_link"></span></a></section></section><section powered-by="xiumi.us" style="margin-top: 10px;margin-bottom: 10px;font-size: 15px;letter-spacing: 0.578px;text-wrap: wrap;text-align: center;line-height: 0;"><section style="vertical-align: middle;display: inline-block;line-height: 0;"><a target="_blank" href="http://mp.weixin.qq.com/s?__biz=Mzg2NjgxMzM3NQ==&mid=2247495632&idx=1&sn=1db31ebcb8af89f5826d9cd106266989&chksm=ce47bb00f9303216ef63511cf5d7a3d9919ee51fb6d406cce081d7c308c26eb209c905ea9bc9&scene=21#wechat_redirect" textvalue="??" linktype="text" imgurl="" imgdata="null" data-itemshowtype="0" tab="innerlink" data-linktype="1"><span class="js_jump_icon h5_image_link"></span></a></section></section><section powered-by="xiumi.us" style="margin-top: 10px;margin-bottom: 10px;font-size: 15px;letter-spacing: 0.578px;text-wrap: wrap;text-align: center;line-height: 0;"><section style="vertical-align: middle;display: inline-block;line-height: 0;"><a target="_blank" href="http://mp.weixin.qq.com/s?__biz=Mzg2NjgxMzM3NQ==&mid=2247494994&idx=1&sn=2c0f90517d74f5335f90c35427c5986a&chksm=ce47b982f93030940c32aafa02a6967940cefb59bd74da492be28d82616342d66e6436a1769f&scene=21#wechat_redirect" textvalue="??" linktype="text" imgurl="" imgdata="null" data-itemshowtype="0" tab="innerlink" data-linktype="1"><span class="js_jump_icon h5_image_link"></span></a></section></section><section powered-by="xiumi.us" style="margin-bottom: 0px;font-size: 15px;letter-spacing: 0.578px;text-wrap: wrap;text-align: right;"><p>点个<strong><span style="color: rgb(255, 129, 36);">在看&赞</span></strong>，下期更精彩</p></section></section><p style="display: none;"><mp-style-type data-value="3"></mp-style-type></p><p><br/></p>
页:
[1]