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Volume 2023, Issue 1
  • E-ISSN: 22203583

Abstract

人们常说,数学无处不在。此言不虚。 全球定位系统(GPS)接收器根据卫 星信号的传输时长,计算自己所在的 位置;安全通信经过加密,除接收者 之外的他人便不能读取其内容;用手 机摄像头拍摄的 JPEG 格式照片其实 是照片所含各种信息的数学压缩形式, 不经过如此巧妙的压缩,照片文件会 很大。

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