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射线声学
释义
射线声学
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ray acoustics
射线声学
用射线理论方法,将声波视为沿射线传播的声束,研究声场中声强沿射线束的变化。是声场理论的高频近似。又称几何声学。
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ray acoustics
射线声学
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decision diagram
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decision governance ability of mega project
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