Using your GPS tracker you call your friends for help.

使用您的GPS跟踪你打电话寻求帮助您的朋友。

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Easy language image tracking algorithm source routine procedures call the third party tracker. DLL file interface to achieve efficient real-time image target tracking algorithm.

易语言图像跟踪算法源码例程程序调用第三方tracker . dll文件接口，实现高效实时图像目标跟踪算法。

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If half your volume is invisible to the industry standard sales tracker, it does call their relevance into question.

FORBES: Can Nielsen BookScan Stay Relevant In The Digital Age?