27

厉害了 10086

 5 years ago
source link: https://www.v2ex.com/t/538107
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问与答 - @frylkrttj - 移动公司能判别用户是否正在使用电话,是怎么办到的。比如刚拿起手机解锁屏幕后,就收到特定的短信了。

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