OPU Overspeed Protection Unit 超速保护组件 ; 超速保护单元
a opu asian oceanicpostal union 亚洲大洋洲邮政联盟
OPU Over speed Protection Unit 超速保护组件
opu overhead processing unit 开销处理单元
In this OPU, we use a triplet lens to collimate the laser beam.
在该系统中，我们采用三片式准直镜来对光束进行准直。
Select high-quality metallurgical powder forging, opu 18%, lubricity and wearability ideal combination.
精选高品质的粉末冶金锻造，含油率为18%，润滑性与耐磨性理想结合。
This paper designs an optical system and some lenses for the BD OPU, including collimator lens, beam shaping lens for laser beam shaping, and cylinder lens for signal detecting.
本文设计了一套蓝光光学读取头的光路系统，包括用于光束处理的准直镜，整形棱镜，还有用于信号探测的柱面镜。
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