本文设计了一种测量仪，基于拍频技术对半导体激光器频率稳定度进行相对测量。
In this paper, a measuring instrument is designed based on relative measurement of the semiconductor laser frequency stability making use of the beat technology.
本文设计了一种测量仪，基于拍频技术对半导体激光器频率稳定度进行相对测量。
In this paper, a measuring instrument is designed based on relative measurement of the semiconductor laser frequency stability making use of the beat technology.
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