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声学
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声学
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acoustics
声学
物理学分支学科之一。研究介质中机械波的产生、传播、接收和效应的科学。介质包括物质各态(固体、液体和气体等),可是弹性介质也可是非弹性介质。机械波是指质点运动变化(包括位移、速度、加速度中某一种或几种的变化)的传播现象。机械波就是声波。
Physics
光学、声学
声学
acoustics
声学
>声学>释义
acoustics, theory of sound
声学
acoustics
声学
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military medicinal supplies support planning
Military Medicine
military merit title system
military morale
military morality
military movie
military music accompanied by drums and horns and collected by the musical conservatory of Liang in the Southern Dynasties
military networks
military neurocognitive training
military neuropsychiatric drug
military nuclear accident
military nuclear electronic instrument
military nuclear power
military nuclear technology
military nurse education
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