dense river network plain 平原河网地区
river network in plain areas 平原河网
plain river network 平原河网地区
river network of plain area 平原河网地区
tidal river network in plain 平原感潮河网
plain river network area 平原河网地区
Plain river network areas 平原河网区
plain river network region 平原水网地区
plain tidal river network 平原感潮河网
At first, plain river network region and its hydrologic characteristics and the current situation of design water research are elaborated.
论文首先阐述了平原河网地区及其水文特性，以及该地区设计水位计算的研究现状。
The research on regional water supply measurement technology in the plain river network was brought forward.
本文在前人研究的基础上，率先提出在平原河网地区进行区域供水计量技术研究。
The concepts concerning environmental management for water source protection in plain river network were defined and discussed.
提出中国东部平原河网地区水源地环境管理的概念及内涵。
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