＞第一模态(First order mode)：入射光前进的角度与光纤的方向最接近，所以在光纤中发生的全反射次数最少(图8-4中只发生2次全反射)，所以行走的路径最短，最快...
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Hereby, the change ratio of the first order mode shape is presented as the indicator for structure damage detection.
提出以第一阶振型改变率作为结构损伤识别的标识量。
The first thing that needs to be done in order to customize a perspective is to enable Design Mode.
自定义透视图所需做的第一件事就是启用设计模式。
Tackle some simple tasks instead of something high-powered; where you've got control over your own schedule, try working a half day or two at first, in order to get back into "work mode".
处理一些简单的任务而不是一些高强度的工作；在你控制你自己的时候，首先工作一个半天或者两个半天，为的是回到”工作的模式“。
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