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¡uÁn¡v»P¡uµ¡v³o¨âÓ¦rÁöµMì¸q¦³§O¡A¦ý¤¤°ê¤H¦¤w¤£ª¾²V¥Î¦h¤Ö¥@¥N¡A¦]¦¹¦b¬ì§Þ¤¤¤å¸Ì¡A³q¥Îªº¨Ò¤l¤ñ¤ñ¬Ò¬O¡A°£¤F¬ù©w¦¨«U¡A´X¥G¨S¦³¥ô¦ó³W«ß¡C¨Ò¦pÁnªi(sound
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¡uÁnVsµ¡v¦b®øªø¦h¦~¤§«á¡A¦p¤µ¡uµ¡v¦³³vº¥¨ú¥N¡uÁn¡vªºç‚¶Õ¡C¨Ò¦p¶Wµªi(ultrasonic wave=supersonic
wave)¥çºÙ¡u¶WÁnªi¡v¡A¦ý«áªÌ«o¤w¸g¦W¦sý”¤`¡C¦]¦¹§Ú̳̦n±Nultrasonic frequency=supersonic
frequency¤@«ßê‘®€¬°¡u¶WµÀW¡v¡A±Nultrasonics¤@«ßê‘®€¬°¡u¶WµªiŽý¡v¡C
¦Óµ³t(sound velocity=sound speed=sonic velocity=sonic speed)ÁöµM¥çºÙ¡uÁn³t¡v¡A¦ý¬Osupersonic
velocity=supersonic speedê‘®€¦¨¡u¶Wµ³t¡v«o¤w¸g©w©ó¤@´L¡C¦]¦¹§ÚÌÈR±Nsubsonic velocity=subsonic
speedê‘®€¬°¡u¦¸µ³t¡v¡]«ü¤p©óµ³tªº³t«×¡^¡A±Ntransonic velocity=transonic speedê‘®€¬°¡u¬ïµ³t¡v¡]«üä^ªñµ³tªº¦¸µ³t©Î¶Wµ³t¡^¡A¦Ó±Nhypersonic
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µù¤@¡G¶Wµªi¤´¬Oµªiªº¤@ÙR¡A¥u¬O¥¦ÀW²v¤ÓÌ@¡A¡u¶W¡v¹L¤HÃþâoÖ\ªº·¥¡C
µù¤G¡Gsupersonic³oӧήeµü¦³¨âÓ·N«ä¡A¦]¦¹¤¤¤å¥i¯à¬O¡u¶Wµªi¡]ªº¡^¡v
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