作为国家水专项的水污染控制与治理方面的淮河课题研究，需要大量的空间数据、属性数据。
The Huaihe River subject research on the controlling and harnessing of water pollution as a state water special project requires a lot of spatial data and attribute data.
作为国家水专项的水污染控制与治理方面的淮河课题研究，需要大量的空间数据、属性数据。
The Huaihe River subject research on the controlling and harnessing of water pollution as a state water special project requires a lot of spatial data and attribute data.
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