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褰撳墠浣嶇疆錛?a href="/">棣栭〉 > 鏂伴椈淇℃伅 > 璇︾粏鍐呭
闊抽涓庢嘗闀跨殑鍏崇郴
鏉ユ簮錛?span>http://91jnc.com/news/210.html 鏇存柊鏃墮棿錛?020-01-16
闊抽鍙婃嘗闀夸笌澹伴煶鐨勯�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闊崇殑閫熷害浼氶殢鐫�絀烘皵娓╁害鍙婄┖姘斿帇鍔涜�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澧為珮錛屾墍浠ュ０闊崇殑閫熷害灝變細涓嬮檷錛岃�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澧炲姞銆傞煶棰戝強娉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1.7cm銆?
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