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单词
acoustics
释义
acoustics
Encyclopedia
理学
声学
释
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
随便看
lifting installation of steel structure
lifting line method
lifting-line theory
lifting machine
lifting machinery brake
lifting mapping
lifting method
lifting moment
lifting of a function
lifting of a mapping
lifting of a operator
lifting of a point
lifting platform milling machine
lifting problem
lifting property
lifting surface
lifting-surface theory
lifting system for deep ocean mining
lifting system selection
lifting table
lifting the lid to pour off water in the pot/opening the lung qi to treat dysuria or constipation
lifting theorem
lifting theory
lifting-thrusting supplementation and draining method
Lift installation by derrick barge
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