最后，以提高我国公共政策执行力为目的，提出改善我国政策执行力的制度环境的主要措施。

Finally, for the purpose of improving the implementation of policies, give the main measures to improve China's institutional environment.

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其次，分析公共政策质量影响公共政策执行力的途径，并着力于构建一个公共政策质量的评价体系。

Then, the author makes an analysis of how the public policy quality influences public policy executing ability and tries to construct an evaluation system of public policy.

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