...保护和改善生态环境 "小水电代柴"工程势在必行--谈四川省三州实施"小水电代柴"工程 [中国水能及电气化 China Hydropower & Electrification] ..
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因此，依靠科技进步对保护和改善生态环境具有决定性意义。
Therefore, the advance of science and technology plays a decisive role in protecting and improving the eco-environments.
目前，如何运用公共政策工具，保护和改善生态环境已经成为学术界研究的热点。
At present the academic research is already focusing on how to use the public policy tools to protect and improve the ecological environment.
通过调查，找出新民市当前主要生态环境问题，提出保护和改善生态环境是当务之急。
Through the investigation, main ecological environment problems were found in Xinmin city, and protect the environment and improve the ecological environment was put forwarded.
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