空气标准循环 [热] air standard cycle ; cycle air-standard
环境空气质量标准 environmental and air quality standards ; air quality standards ; ambient air quality ; [环境] ambient air quality standard
环境空气标准 [环境] ambient air standard
冷空气标准 cold-air standard
空气标准奥托循环 [动力] air standard Otto cycle
空气标准效率 [机] air standard efficiency
空气标准假设 the air-standard hypothesis
理想空气标准 ideal air standard
空气标准狄赛尔循环 air standard Diesel cycle
共和党议员Joe Barton说，即使上帝也无法满足其中的一些空气标准。
"Even God," says Joe Barton, a Republican Congressman, "couldn't meet some of the ozone standards."
根据环境保护部对全国338个城市的调查，2016年，只有四分之一的中国城市达到了国家的空气质量标准。
In 2016, only one fourth of Chinese cities met the country's air quality standards, according to a survey of 338 cities nationwide from the Ministry of Environmental Protection.
这座城市的空气污染程度曾高达可接受标准的四倍。
Air pollution in the city had reached four times the acceptable levels.
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