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闊抽涓庢嘗闀跨殑鍏崇郴
鏉ユ簮錛?span>http://picknmixplanners.com/news/210.html 鏇存柊鏃墮棿錛?020-01-16
闊抽鍙?qiáng)鎳L闀夸笌澹伴煶鐨勯�熷害鏄湁鐩存帴鐨勫叧緋匯�傚湪嫻鋒嫈絀烘皵鍘嬪姏涓嬶紝21鎽勬皬娓╁害鏃訛紝澹伴煶閫熷害涓?44m/s錛屽父鐢ㄧ殑澹伴煶閫熷害鏄?4Om/s錛岃繖涓槸鍦?5鎽勬皬搴︾殑娓╁害鏃跺０闊崇殑閫熷害錛屼絾鏄０闊崇殑閫熷害浼?xì)闅忕潃絀烘皵娓╁害鍙?qiáng)绌烘皵鍘嬪姏鑰屾敼鍙樼殑錛屾俯搴﹁秺浣庯紝絀烘皵閲岀殑鍒嗗瓙瀵嗗害灝變細(xì)澧為珮錛屾墍浠ュ０闊崇殑閫熷害灝變細(xì)涓嬮檷錛岃�屽鏋滃湪楂樻搗鎷旂殑鍦版柟鍋氱幇鍦洪煶鍝嶏紝鍥犱負(fù)絀烘皵鍘嬪姏鍑忓皯錛岀┖姘斿唴鐨勫垎瀛愬彉寰楃█灝戯紝澹伴煶閫熷害灝變細(xì)澧炲姞銆傞煶棰戝強(qiáng)娉㈤暱涓庡０闊崇殑鍏崇郴鏄?娉㈤暱=澹伴煶閫熷害/棰戠巼;位=v/f錛屽鏋滃亣瀹氶煶閫熸槸344 m/s鏃訛紝100Hz鐨勯煶棰戠殑娉㈤暱灝辨槸3.44 m錛?000hz(鍗砽kHz)鐨勬嘗闀垮氨鏄?4.4cm錛岃�屼竴涓?0kHz鐨勯煶棰戞嘗闀夸負(fù)1.7cm銆?
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