河流健康诊断与评估VIP免费

编号（学号）：12622027毕业论文（2012届本科）题目：河流健康诊断与评估学院：水利学院专业：水利水电工程（专升本）姓名：袁礼伟指导教师：宓永宁教授完成日期：2012年06月10日目录摘要·························································································································1Abstract····················································································································2前言·························································································································31河流健康概述··········································································································31.1河流健康概念········································································································31.2河流健康评价········································································································51.2国内外研究进展·····································································································71.2.1国外研究进展······································································································71.2.2国内研究进展······································································································91.2.3国内外研究对比·································································································101.3需要进一步研究的方向···························································································121.4河流健康分尺度评价的意义·····················································································131.5本文的主要研究内容······························································································142河流评价的尺度······································································································142.1尺度简介···········...