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ultrasonic
Vs supersonic禬
羘籔硂ㄢ瘤礛竡Τい瓣Νぃ睼ノぶмいゅ柑硄ノㄒゑゑ琌埃﹚Θ玌碭⊿Τヴ砏ㄒ羘猧(sound
wave=acoustic wave)ョ嘿猧琌羘廄(acoustics) 玱ぃ嘿廄
羘VsぇさΤ硋亥羘鐐墩ㄒ禬猧(ultrasonic wave=supersonic
wave)ョ嘿禬羘猧玱竒龜и程盢ultrasonic frequency=supersonic
frequency陸畝禬繵盢ultrasonics陸畝禬猧廄
τ硉(sound velocity=sound speed=sonic velocity=sonic speed)瘤礛ョ嘿羘硉琌supersonic
velocity=supersonic speed陸畝Θ禬硉玱竒﹚碙и萊盢subsonic velocity=subsonic
speed陸畝Ω硉硉硉盢transonic velocity=transonic speed陸畝硉鋇硉Ω硉┪禬硉τ盢hypersonic
velocity=hypersonic speed陸畝硉┪伐硉硄盽き硉硉
爹禬猧ご琌猧賀琌ウ繵瞯び藹禬筁摸鈕謀伐
爹supersonic硂甧迭Τㄢ種いゅ琌禬猧
琌禬硉玡禬猧(supersonic machining)禬硉訣(supersonic
plane)
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