复制光栅

replica grating的用法和样例：

例句

The approach of grating fabrication is also described.本文也将描述光栅的制作方法。
The grating converts the light into a central peak plus side peaks.光栅将入射光束转化成一个中心峰值和一系列副峰值。

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学英语单词

clearing for non member

coagmented

colpatresia