为了保护水资源环境需要建立一个水文信息系统。
To protect the water environment requires the establishment of a hydrological information system.
水文信息系统是一个集水文信息采集、分析处理、综合服务为一体的信息系统。
Hydrological information system is an integrated information system by the hydrological information collection, analysis, and services.
建立长江水文数据信息网三层体系结构是目前水文信息系统建设中较好的解决方案。
To build a three -level systematic structure for the Yangtze River hydrological data information Network is a superior solution for present formation of hydrological information system.
文章阐述了分布式物理水文模型、地理信息系统（GIS）和遥感（RS）技术在流域模拟中的应用等方面的进展。
The remarkable trends of watershed hydrological models are the research of physically distributed based models and the use of Geography Information System (GIS) and Remote Sensing (RS) technology.
水文基本建设的计划管理是水文计划管理信息系统的重要内容。
Planning management of the hydrological capital construction is an important respect of the hydrological planning management information system.
首先，本文明确了构建洪灾信息系统的主要技术框架，即：GIS技术、数据库技术和水文专业模型设计三个主要方面。
Firstly, the main technic. structure of building flood information system has been ascertained in this dissertation, namely, GIS , database and hydrics model of three important aspects.
首先，本文明确了构建洪灾信息系统的主要技术框架，即：GIS技术、数据库技术和水文专业模型设计三个主要方面。
Firstly, the main technic. structure of building flood information system has been ascertained in this dissertation, namely, GIS , database and hydrics model of three important aspects.
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