被跟踪的目标除佩戴无线麦克风外，无需佩戴任何传感器，使用非常方便。
In addition to tracking the goal was to wear a wireless microphone, no need to wear any sensors, easy to use.
除带给人们方便及实时达成商务交易外，也减省了不少纸张的消耗，对环保也起了肯定的贡献。
This not only brings people convenience and real-time business transactions, but also lowers the consumption of papers which helps to protect the environment.
该方法简单、清晰，可方便地用于含水量小的污水除油板式分离器计算中。
This method is simple and clear, and can be used in calculation of oil-water separator with low oil content.
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