“air pollution in China”的概念、定义、翻译、参考文献-科学参考

单词	air pollution in China
释义	air pollution in China Encyclopedia 理学中国大气污染释 air pollution in China中国大气污染由于人类活动或自然过程引起某些物质进入中国区域大气中，呈现出足够的浓度，达到足够的时间，并危害人的舒适、健康、福利和生态环境的现象。
随便看	undepleted flux underactuated control underactuated mechanism underageing underage opera performer under annealing underbalance underbalanced accurate pressure control drilling under balanced perforation underbar underbrace underbunching under cadmium neutron undercapacity undercharge under color addition（UCA） under color remove undercolour removal undercompound generator undercompounding underconsolidated soil undercooled undercooled liquid undercooled melt /supercooled melt undercorrected lens

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