Based on the effect of optical fiber's end surface, the character of different kinds of fiber's end-end coupling is discussed. And several experiment results are given.

本文主要从光纤的各种端面效应出发，分析了不同形状端面光纤之间的耦合特性，并给出了相应的实验结果。

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At the end of the paper the formation and development of the drafting system are described on the example of the assembly drawing of a brake coupling.

文章最后以制动轮联轴器装配图为例，对绘图系统的建立和二次开发进行了说明。

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The intubation system also includes a positioning device having a first coupling member on the distal end and an intubation device having a second coupling member on the proximal end.

该插管系统还包括定位装置和插管装置，定位装置具有位于远端上的第一连接部件，插管装置具有位于近端上的第二连接部件。

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