词典释义：
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With pressure from the growing environmental movement, president Richard Nixon signed the clean air act of 1970 into law.
随着环境保护运动的展开，迫于压力，理查得·尼克松总统在1970年签署了《清洁空气法案》。
《America Revealed》《透视美国》
双语例句
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Like the Clean Air Act, the FWPCA was amended in 1977.
也像《洁净空气法案》一样，《联邦水污染控制法案》在1977年进行了修正。
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Forty years after the Clean Air Act, more people are breathing easier.
空气清洁法实行后40年来，越来越多人呼吸到更加清新的空气。
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Still need clean water act, clean air act, more trees and better urban design.
仍然需要干净的水，新鲜的空气，多种树，更好的城市设计。
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This shows that the Clean Air Act can be used to reduce these gases in a cost-effective way.
这表明，清洁空气法案将是一项节省成本的减排法案。
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The United States in 1963 had laid down the "Clean Air Act" and in 1970 and 1990 amended it.
美国1963年就制订了《清洁空气法》，并于1970年和1990年分别进行了修订。