用于多色光的波片的设计。
对于测试波片的位相，偏振度和精度作了讨论。
The phase, degree of polarization and accuracy of the plate are discussed in the article.
文章介绍了偏振片和波片的光学原理、光学特性及应用。
This text introduce the optical theories and applications of the Polarizer and Wave Plate.
那天早晨波莉离开家的时候，整个城市就已笼罩在一片灰雾中了。
When Polly left home that morning, the city was already covered in a grey mist.
那天早晨波莉离开家的时候，整个城市就已笼罩在一片灰雾中了。
When Polly left home that morning, the city was already covered in a grey mist.
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