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英语翻译Two loudspeakers are one meter apart and radiate the sam

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英语翻译
Two loudspeakers are one meter apart and radiate the same sound pressure level.a listener is two meters directly in front of one speaker on a line which is perpendicular to the line joining the two loudspeakers; see Figure 2.What are the first two
frequencies at which destructive interference occurs?When does the listener first experience constructive interference,other than at very low frequencies?
两个扬声器相隔一米,辐射相同的声压水平.监听器是在前面的一位发言者直接在两米的线,垂直线连接两个扬声器,见图2.前两个是什么
在这破坏性的干扰频率发生?什么时候第一次体验建设性干涉监听,在非常低的频率比其他?
插一句,这到底是物理还是外语