“十一五”规划提出了节能降耗和污染减排目标，并作为约束性指标。

The targets for saving energy and reducing pollutant emissions were set forth in the Eleventh Five-Year Plan.

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约束性指标，是必须实现的目标，主要通过依法加强管理和提供服务来实现。

Obligatory targets are those that must be achieved, mainly by improving management in accordance with the law and providing services.

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该约束性指标的提出表明了节能减排工作在整个“十一五”期间的极端重要性和紧迫性。

This constraint on energy use has made it clear that it is of utmost importance and urgency to improve energy efficiency during the Eleventh Five-year Period.

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