名词
中文翻译：有效声压
同义词：
['effective intensity', 'effective level', 'effective power']
例句：
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1. The microphone isdesigned to measure the effective sound pressure at different distances from the speaker.
麦克风被设计用来测量从扬声器不同距离处的有效声压。
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2. In this experiment, we found that the effective sound pressure was directly proportional to the volume of the sound source.
在这个实验中，我们发现有效声压与声源的音量成正比。
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3.The engineer used a special device to measure the effective sound pressure in the room.
工程师使用一种特殊设备来测量房间中的有效声压。