本文就京杭大运河河道长效管理的模式、特点和效果进行了分析，并提出了提高长效管理的保障措施。
The paper analyses the effective management model of channel in long period, characteristic and effect, and gives guarantee measures on how to improve the management effect in long period.
这是一种全新的公益模式和体验，我希望淘宝网、淘宝商家这样的活动能成为一个持续、长效的项目。
This is a new public service model and experience, I would like to Taobao, Taobao businesses such activities can a sustained, long-term projects.
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