double frequency

常見例句

In this paper, a double-frequency laser interferometric system is described.
本文介紹一個雙頻激光測量系統(tǒng)。
When double-frequency composed vibrating compaction, the compaction degree of top loess was 86.4%, and that of sub loess was 77.3%.
雙頻合成振動壓實時，級配土表層壓實度達到了86.4％，深層壓實度也達到了77.3％。
Objective To evaluate the efficacy, safety, and clinical application of double-frequency laser lithotripsy in the treatment of complicated biliary stones.
目的探討雙頻激光碎石技術在治療復雜性膽管結石中的療效、安全性及應用價值。

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