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单词 sound-intensity
释义

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sound-intensity
sound-intensity n.
ΚΠ
1934 Discovery Dec. 346/1 Noise is a subjective phenomenon and cannot be directly measured. The stimulus causing this impression of sound is a sound-intensity which can be defined and measured objectively.
1952 Mind 61 215 It is impossible to imagine a sound-intensity divorced from any definite sound-pitch.
1969 Gloss. Acoustical Terms (B.S.I.) 16 Sound intensity,..the sound energy flux through unit area.
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