“ratio up to the standard of water quality”的概念、定义、翻译、参考文献-科学参考

单词	ratio up to the standard of water quality
释义	ratio up to the standard of water quality Encyclopedia 工学供水水质释 ratio up to the standard of water quality供水水质达标率在一定区域内经检测的所有供水工程中，供水水质符合生活饮用水卫生标准的供水工程的个数占该区域内检测供水工程总数的比例,或供水水质符合生活饮用水卫生标准的供水工程的受益人口数占该区域内供水总人口数比例。
随便看	mean earth ellipsoid mean ecliptic sun mean electron concentration mean element mean entropy mean enveloping surface mean epoch mean equator mean equatorial sun mean equinox mean ergodic theorem mean-ergodic theorem mean error mean evolute mean extinction coefficient mean fiber length mean fictitious clock mean field mean field approach mean field approximation mean field game mean field theory mean-field theory mean field theory in nuclear physics mean-flux method

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