double frequency

常见例句

In this paper, a double-frequency laser interferometric system is described.
本文介绍一个双频激光测量系统。
When double-frequency composed vibrating compaction, the compaction degree of top loess was 86.4%, and that of sub loess was 77.3%.
双频合成振动压实时，级配土表层压实度达到了86.4％，深层压实度也达到了77.3％。
Objective To evaluate the efficacy, safety, and clinical application of double-frequency laser lithotripsy in the treatment of complicated biliary stones.
目的探讨双频激光碎石技术在治疗复杂性胆管结石中的疗效、安全性及应用价值。

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