“noise assessment standard”的概念、定义、翻译、参考文献-科学参考

单词	noise assessment standard
释义	noise assessment standard Encyclopedia 工学噪声评价标准释 noise assessment standard噪声评价标准根据国家标准在各种不同的测试环境或测试用途下，对内燃机进行噪声测试及噪声限值指标评价的标准。
随便看	piecewise regular piecewise regular boundary piecewise regular function piecewise smooth piecewise smooth boundary piecewise smooth contour piecewise smooth curve piecewise smooth function piecewise smooth mapping Piecework wage plan pie chart piecing together pie cutting pied avocet Piedmont piedmont Piedmontese piedmont glacier Piedmont Plateau piedmont treppen pi electron PIE principle of combat stress intervention pier Pierce decomposition Pierce electron gun

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