Global positioning system (GPS) is now the most precise global navigating. positioning and time broadcasting system around the world.

全球定位系统(GPS)是目前世界上精度最高的全球性导航、定位和授时系统。

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Set-time broadcasting, this can nurture consumer's attention behavior.

定时播放，可以培养消费者关注习惯。

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Set-time broadcasting, this can nurture consumer's attention behavior.

定时播放，可以培养消费者关注习惯。

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