His pants are blue but mine are black.
他的裤子是蓝色，而我的是黑色。
Your trousers are black and mine are brown.
你的裤子是黑色的，我的是棕色的。
In the article, the measurement principle, hardware circuit and software process of a kind of mine locomotive intelligent speed mileometer are introduced, which have the function of "black box".
介绍具有黑匣子功能的矿机车智能型速度里程表的测量原理、硬件电路设计和软件程序流程。
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