Differential theory plays an important role in GPS navigation and positioning.
差分理论是GPS导航与定位中的一个重要理论。
According to the principle of electrotechnics, how to carry out power differential theory of power transformer is discussed.
从电工学基本原理出发，详细讨论了变压器有功功率差动保护原理如何实现的问题。
In this paper, we put forward one method which based on differential theory and edge shape to connect the disconnected points.
本文提出一种应用差分原理，基于边缘形状的边缘连接方法。
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