- 不定源污染
- non: adv. 〔拉丁语〕非，不是 (＝not)。 non a ...
- point: n. 1.尖头，尖端；尖头器具；〔美国〕笔尖；接种针，雕 ...
- source: n. 1.源头，水源，源泉。 2.根源，本源；来源。 3 ...
- non－point pollution source: 非点污染源（面污染源）
- point pollution source: 点污染源
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non-point source pollution中文什么意思
- 不定源污染
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例句与用法
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- ( 2 ) according to the requirement of the item , the non - point source pollution metadata standard that is accorded with fgdc standard has been organized and non - point source pollution metadata has been built based on metadata standard
( 4 )利用gis技术结合面源污染危险性评价模型modifiedusle对三峡库区农业面源污染的危险性进行了评价。 - Now the study of the agricultural non - point source pollution is mainly to integrate gis with environmental model . building spatial database is the basement of using gis to study non - point source pollution
目前对农业面源污染的研究主要是将gis作为非常有用的工具结合到环境模型中，而建立空间数据库是利用gis进行面源污染研究的基础。 - Water quality is an important issue for flood management study , in the thesis the estimation of non - point source pollution load and simulation are researched in consideration of water quality monitoring situation
洪水管理中的重要问题在于需要研究水质，论文结合目前我国水质监测现状，比较深入地研究了非点源污染模拟与负荷估计问题。 - The results of this dissertation include : ( l ) this study has designed and built an agricultural non - point source pollution spatial database of the three - gorge reservoir area in chongqing based on geodatabase and case tools
在论文进行过程中取得了以下一系列成果： ( 1 )基于geodatabase数据模型，利用case工具设计并建立了三峡库区农业面源污染空间数据库。 - Point source pollution and non - point source pollution are always the two important problems of the water environmental quality . point source pollution mainly includes industrial sullage and city ' s life sullage , which are drained from the certain outfall
点源污染和面源污染一直是水环境质量的两大问题，点源污染主要包括工业污水和城市生活污水，通常在排污口集中排放。