... central light loss 释义：中心视觉丧失 light beam focusing device 释义：光束聚焦装置 cold light amnioscope 释义：冷光源羊膜镜 ...
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The device comprises a semiconductor laser light source, an optical beam shaping system, an optical beam transmission system, an optical beam scanning system, an optical focusing system, and the like.
该装置包括半导体激光光源、光束整形系统、光束传输系统、光束扫描系统、光学聚焦系统等。
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