This paper is a part of a blue laser research program.

本论文的课题是研制瓦级蓝光固体激光器。

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Both use a blue laser to read the information on the disc.

两者都使用蓝色激光来读取光盘上的信息。

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Both use a blue laser to read the information on the disc.

两者都使用蓝色激光来读取光盘上的信息。

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