Urban landscaping is a chief means to protect and improve urban ecological environment.
城市园林绿化是保护和改善城市生态环境的重要手段。
Urban rainwater collection can realize water resource conservation, decrease pressure of drainage pipeline and improve urban ecological environment etc.
城市雨水收集可实现水资源涵养、降低排水管道的压力和改善城市生态环境等目标。
Greatly ease the capital shortage situation in the capital, increase the water surface area of 550 hectares, effectively improve the urban ecological environment.
大大缓解首都资本短缺情况，增加水面面积550公顷，有效改善城市生态环境。
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