Motorcycle; Sound intensity measurement; Noise control;
摩托车；声强测量；噪声控制；
The space structure of the averaged sound intensity is discussed with this expression.
用这表式讨论了平均声强的空间结构的问题。
With sound intensity method, major sources of the exterior vehicle noise are identified.
用声强法对车外噪声的主要声源进行了鉴别。
In regular programming the intensity of sound varies over a large range.
在普通节目中，声音的强度在很大范围内变化。
More important is variation in intensity of the first sound.
第一心音的强度变化更为重要。
More important is variation in intensity of the first sound.
第一心音的强度变化更为重要。
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