它表示寻常光波前和非常光波前的瞬时轨迹。

It represents the instantaneous traces of the ordinary and extraordinary wavefronts.

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光波除了非常少量以外，并不处于一致实相提升道路的范畴内，因为有不能过度加热土地的需要。

Light waves have not been a part of the consensus ascension path other than in very small amounts due to the requirement to not over heat the land.

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平面光波导是集成光学中非常重要的一种波导模型，相对于其它波导模型，它具有模型简单，物理概念清楚，较易分析的特点。

Plane optical waveguide is one of important models in Integrated Optics. Comparing with others, its 'model is easy, physical conception is clear, and could be analyzed conveniently.

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So, it's important to get a little bit of a sense of what all these different kinds of lights do.

对所有这些不同种类的光波,有个大致的了解是非常重要的。

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