As the university education developed at such a full speed that it is urgent for us to set the mutual-teaching model in motion .

本文认为，在当今高校教学中，课堂互动教学模式的实际 运作已 势在必行。

The need for a new personal positioning method which makes up the shortcomings of GPS is urgent . A personal positioning method based on body motion sensing is proposed in this paper .

因此 迫切需要一种能够弥补GPS缺点的新的个人定位方法。本文提出了一种基于人体 运动传感的个人定位方法。