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喇叭发出声音的原理是什么?怎样保证喇叭的正常发声?
汽车喇叭发声的原理基于电磁感应。当电流通过喇叭内部的线圈时,会产生磁场。这个磁场与喇叭内部的永久磁铁所产生的磁场相互作用,从而使喇叭膜片振动。膜片的振动引起周围空气的振动,进而产生声音。简单来说,就是电能转化为机械能,机械能再转化 ...
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今日热点
Joe Biden pardons son
Bryar found dead at 44
Cancels show due to injury
Trump warns BRICS nations
State of emergency in NY
Tapped as FBI director
Arrives in Hawaii
Florida sheriff to lead DEA
Charged in fatal shooting
Home explosion in Missouri
Hall of Fame coach dies
Record defense spending OK'd
Outage at Philly airport
3-yr extension w/ Jaguars?
Issues holiday scam warning
Record $10.8B spent online
Arctic blast in US
To end cabin service earlier
'Days of Our Lives' star dies
Returns to Stanford as GM
Adani on US indictment
US Ambassador to France pick
Little Rock mall shooting
‘Annie Hall' co-writer dies
Launches bid for DNC chair
Arab, Middle East adviser pick
Israeli strike in Gaza
Chiefs clinch playoff berth
Joins editorial board
FIFA hosting bid report
Arms sale to Taiwan OK'd
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