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This time another optical device, the field lens came to the rescue.
这个时候另一个光学器件，外地镜头来抢救。
youdao
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The design of a new kind reflective field lens is introduced in this paper.
本文介绍一种新型的反射式场镜的设计。
youdao
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The design of a new kind reflective field lens is introduced in this paper.
本文介绍一种新型的反射式场镜的设计。
youdao