单词：emission standard
emission standard的用法和样例：
例句
- One set of provisions tightens emission standards.一套使排放标准更加严格的规定。
- California still needs a waiver from the EPA in order to enforce its own emissions standards.加州要实施自己的排放标准，还必须从环保署取得弃权声明书。
单词：emission standard 相关文章
今天要学的一个词组是：double standard。 Double standard是指双重标准。美国连锁商店沃尔马允许在中国的分店组织工会，却不允许在美国的商店组织工会。媒体报导的标题说：Critics claim double sta
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今天我们要学的词是double standard。Double standard, 双重标准。美国国会众议院议长佩洛西指责共和党人在医疗保健改革的辩论中使用双重标准, House Speaker Nancy Pelosi accused Republicans of having a double
英语单词荟萃
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By Nancy-Amelia Collins Bali, Indonesia 13 December 2007 The head of the United Nations Climate Change Conference is warning that a deadlock between the United States and the European Union over greenhouse gas emission targets may derail the conferen
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BEIJING, Jan. 23 (Xinhua) -- Beijing is planning to implement a harsher emission standard for motor vehicles starting next month in an effort to curb the city's air pollution, municipal environmental authorities said Wednesday. The new Beijing V emis
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今天我们要学的词是double standard。Double standard, 双重标准。美国国会众议院议长佩洛西指责共和党人在医疗保健改革的辩论中使用双重标准, House Speaker Nancy Pelosi accused Republicans of having a double
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BEIJING, Aug. 24 (Xinhua) -- China will promote the application and industrialization of its self-developed audio-video coding standard (AVS+) in broadcasting and television, the State Administration of Radio, Film and Television (SARFT) said Friday.
英语新闻
今天要学的一个词组是：double standard。 Double standard是指双重标准。美国连锁商店沃尔马允许在中国的分店组织工会，却不允许在美国的商店组织工会。媒体报导的标题说：Critics claim double sta
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A major American newspaper says the U.S. is investigating the financial services company that downgraded the U.S. credit rating for its faulty rating of mortgage securities that played a major role in the country's 2008 recession. The New York Times
英语新闻
The capital will raise its automobile-emission standards on Friday, making them the strictest in the nation. The Beijing Environmental Protection Bureau said the move is expected to reduce auto pollution by 40 percent to better improve the hazardous
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