high precision frequency measuring method
high precision frequency measuring method
高精度频率测量方法
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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A method for measuring the phase characteristics of ultrahigh frequency modulating light by optical phase shift is proposed. It has the properties of high precision and strong practicability.
提出采用光学移相办法测量超高频调制光相位特性的一种方法。它具有精度高、实用性强等特点。
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