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声波探测仪
释义
声波探测仪
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释
sonic detector
声波探测仪
通过向岩体、岩石、混凝土等发射声脉冲,接收声场经介质传播的声波信号,并分析介质的时间、能量、频率等声波变化的观测仪器。
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art patronage
Art Pavilion in Zagreb
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Art Peripheral Product
art playback
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Artron Art Index
arts
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arts and carfts of Spring and Autumn Period and Warring States Period
arts and carfts of Xia,Shang and Western Zhou dynasties
Arts and Crafts of Ming Dynasty
arts and crafts of Qin and Han Dynasties
arts and crafts of Song Dynasty
arts and crafts of Sui dynasty, Tang dynasty and the Five dynasties
arts and crafts of Three Kingdoms,Jin,Southern and Northern dynasties
arts and crafts of Yuan Dynasty
arts appreciation
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