sound intensity〔名词〕声强详细»
sound intensity〔名词〕声强详细»
sound intensity〔名词〕声强详细»
sound intensity〔名词〕声强详细»
sound intensity〔名词〕声强详细»
sound intensity〔名词〕声强;n.声强,声响强度以瓦特/平方米表示详细»
sound intensity〔名词〕声强详细»
声强acoustic intensity;sound intensity详细»
声强intensity of sound;sound intensity详细»
声强acoustic intensity;intensity of sound;sound intensity详细»
声强acoustic intensity;sound intensity详细»
声强intensity of sound;speech volume详细»