During the design process of Blu-ray disc optical pick-up, the optical system and the collimator lens design is especially important.

在蓝光光盘光学头设计过程中，光学系统的设计，有举足轻重的作用，特别是准直镜的设计。

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During the design process of Blu-ray disc optical pick-up, the optical system and the collimator lens design is especially important.

在蓝光光盘光学头设计过程中，光学系统的设计，有举足轻重的作用，特别是准直镜的设计。

youdao