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1.The supersonic oscillator was used to measure the speed of sound.
超声振荡器被用来测量声速。
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2.The engineer designed a supersonic oscillator for testing aircraft engines.
工程师设计了一个超声振荡器用于测试飞机引擎。
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3.The supersonic oscillator was used in the research of high-speed transportation.
超声振荡器在高速交通研究中的应用。