| |||
球形波 | |||
球面波波前为同心球面的波,是由点源产生的。球面波的波前应力以距波源的距离成反比的速率衰减 | |||
★ 球面波 | |||
球状波 |
spherical wave : 20 phrases in 8 subjects |
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Explosives and Explosive Ordnance Disposal | 1 |
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Oil / petroleum | 1 |
Physics | 2 |
Technology | 12 |