pollution norms

基本解释

Over the last two years, the government has tried a slew of measures to control the air pollution, including stricter emission norms for cars and a tax on diesel-fueled trucks that enter the city.
新德里政府在过去两年里采取了大量措施控制空气污染，包括出台更严格的汽车尾气排放标准，对进入城市的柴油卡车征税等。
Over the last two years, the government has tried a slew 6 of measures to control the air pollution, including stricter emission 7 norms for cars and a tax on diesel-fueled trucks that enter the city.
新德里政府在过去两年里采取了大量措施控制空气污染，包括出台更严格的汽车尾气排放标准，对进入城市的柴油卡车征税等。
Standard for water pollution discharge is issued by the state, including 27 items on health and 17 on living environment , and having norms for total pollution control.
水污染排放标准由国家统一制定，包括健康项目27项和生活环境项目17项并实行总量控制。