You keep track of multiple keywords in a special document.
保持对一个特殊的文档中多个关键字的跟踪。
So the special active file keeps track of whatever you missed.
因此这些特殊的文件保持着它的轨迹。
The children wore special wrist-band devices for a week to track the amount they slept.
为了跟踪孩子们的睡眠时间，他们戴了一个星期的特殊的手链装置。
Service:Set up special after-sale service site to track in real time .
服务：设立专门的售后服务网点进行实时跟踪。
It is a special power supply equipment designed recently for ut track circuit without insulation.
该电源屏是我厂最新研制的为ut无绝缘轨道电路提供电源的专用区间供电设备。
It is a special power supply equipment designed recently for ut track circuit without insulation.
该电源屏是我厂最新研制的为ut无绝缘轨道电路提供电源的专用区间供电设备。
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