1) midline water district
中线水源区
1.
Discussion on the urgency and countermeasures of ecological compensation mechanism establishment in midline water district
中线水源区生态补偿机制建立的迫切性与对策
3) water source area of the middle line project of transferring water from south to north
南水北调中线水源区
1.
According to the investigations in water source area of the middle line project of transferring water from south to north 71 species and variant of phytoplankton were identified,which belong to 7 divisions and 40 genera.
通过对南水北调中线水源区水体浮游植物的调查,以及对理化指标的测定,结果表明:该水域共有浮游植物7门40属66种3变种2变型,其中以硅藻门的种类占优势,浮游植物的种类和数量随季节和水域不同而呈现差异,浮游植物对水体污染具有较好的指示作用,水体为寡污型水体。
5) the source area of the Middle Line Project of Transferring Water from the South to the North
南水北调中线工程源头区
1.
The present situation, causes of formations and damages of soil erosion in Hanshui river valley in Nanyang city are analyzed, which is in the source area of the Middle Line Project of Transferring Water from the South to the North.
对南水北调中线工程源头区——河南南阳市汉水流域水土流失的现状、成因、危害进行了分析 ,在此基础上 ,讨论了治理水土流失的对策措施。
6) water source engineering in Mid-line of S-N water diversion project
南水北调中线水源工程
1.
The suddenly changeover multicriterion assessment method is used to evaluate several scenarios of water source engineering in Mid-line of S-N water diversion project.
应用突变多准则评价法对南水北调中线水源工程项目的多方案比选作出评价决策。
补充资料：中线
中线
median
中线[m蕊hall;Me皿“aHa] l)三角形的中线(1洲沮扭n ofatriangle)是指连接三角形一顶点与其对边中点的直线(或者它的包含在三角形内的线段).一个三角形的三条中线交于一点，称为该三角形的重心(centi℃ofgra劝ty或b脚-centi℃)或者形心(centmid).此点将每一条中线分为两线段，其长度之比为2:1，如果前一线段从顶点出发.n.C.M叨eHoB撰【补注】J.Hjel】把lev证明，在双曲几何学(见Jlo6a-叨伙姗益几何学(切恤che呢对geometry))中一个三角形的子午线交于一点. 2)梯形的中线(medja门ofa加p叨uIn)是指连接梯形两腰中点的线段.梯形中线平行于两梯，并且等于两底长度之和的一半.BCE一3
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条