一时间和成本效率的映射过程。
上市商业银行在投入、产出两方面均存在影响成本效率的重要因素。
In listed commercial Banks, there are important factors both in inputs and outputs that affect cost efficiency.
排污权交易是总量控制目标下最具潜力的环境管理手段，兼具环境质量保障和成本效率的特点。
Because of its cost effectiveness and environmental quality assurance, emission trading is the most prospecting way of environment management under the total amount target.
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