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超声声场
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超声声场
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超声声场
充满超声波的空间或超声振动所波及的部分介质。具有一定的空间大小和形状,根据超声应用可将其分为医用超声换能器声场和工业超声换能器声场。
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People’s Justice Party
People’s Liberation Army Daily
People’s Liberation Army Pictorial
People’s Liberation Front
People’s National Party
People’s Network
People’s Pictorial
People’s Progressive Party
People’s Progress Party
People’s Theatre of Gansu Province
People’s Uprising of Ecuador
People’s victory canal irrigation district
peplopause
peplos
pepo
pepper
pepper bacterial leaf spot
pepper blight
pepper family
pepper harvester
pepper root-knot nematode disease
pepper virus disease
pepperweed seed
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pepsin
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