1)pasture and forest interlaced region牧林交错区
英文短句/例句
1.Eastern Inner Mongolia Crop Farming and Animal Husbandry Ecotone Lin Climate Assessment of Production Potential内蒙古东部农牧林交错区作物气候生产潜力评价
2.Effects of habitat complexity on species diversity of small mammals in pastures and forest interlaced regions寒温带牧林交错区生境复杂度对啮齿类物种多样性的影响
3.Effect Evaluation of Reforesting Application on Farmland in the Alpine Farming-pastoral Ecotone;高寒农牧交错区退耕还林政策实施效应评价
4.Straw-Grassland farming in grain-forages production mosaic region,northeast China东北农牧交错区“草地-秸秆畜牧业”概论
5.A Study on Arable Land Quantity Evaluation in Ecotone of Farming, Pasture and Forestry in North by Using RS&GIS;RS&GIS支持下的北方农林牧交错区耕地质量评价研究
6.Conflict and Harmonious Development between Eco-construction and Rural Economy in Farming-pastoral Zone--A Case Study in Yulin City;农牧交错区生态建设与农村经济耦合发展研究——以榆林市为例
7.Food Supply and Grain for Green Project in the Water-wind Erosion Compound Areas of Farming and Grazing Interlaced Zone in Northern China;中国北方农牧交错带风水蚀复合区的粮食与退耕还林(草)问题
8.Implementation and Suggestion to the Re-afforestation Engineering in Typical Zones of Ningxia, Inner Mongolia and Shaanxi Agro-pastoral Belt;关于宁、蒙、陕农牧交错带重点地区退耕还林(草)工程实施情况与建议
9.Farmland Resources Management in Interlock Area of Farming,Foresting and Pasturing-Taking Horqin Right Wing Front Banner in Inner Mongolia as an Example;农林牧交错区耕地资源管理初探——以内蒙古科右前旗为例
10.The Research of Characteristics of Soil Restoration of Conversion Cropland to Forest in the Farming-pastoral Zone--Taking Example of Zhuozi County农牧交错区退耕还林地土壤恢复特征的研究——以内蒙古卓资县为例
11.Empirical Study on New Rural Construction of Farming and Pastoral Ecotone in Western Jilin Province吉林省西部农牧交错区新农村建设实证研究——基于四县的调查
12.Effects of Grazing Policies on Animal Husbandry in a Farming-Pastoral Zone;禁牧政策对农牧交错带典型区畜牧业的影响
13.The Landscape Structure and Its Function and Ecological Regionalization of the Ecotone between Agriculture and Animal Husbandry in Northeast China;东北农牧交错区景观结构、功能与区划
14.Analysis on Affecting Factors of Agriculture-Stock Raising Development in Northern Interlacing Agro-pastoral Region;我国北方农牧交错区农牧业发展影响因素分析
15.Study on the dynamic changes of net primary productivity of cultivated land in pasturing-farming region--A case over Yuyang district;农牧交错区耕地净第一性生产力动态变化研究——以陕西榆林市榆阳区为例
16.Nutrient Use Efficiency of Main Plants in an Agro-pastoral Ecotone of Northern China;农牧交错区主要植物的氮素利用效率
17.The Studies on Effects of Artificial Fencing on Rehabilitation of Vegetation in the Ecotone of Agriculture-animal Husbandry;北方农牧交错带封育区植被恢复研究
18.A Study of Ecological and Environment Water Requirements in Northern Interlacing Agro;北方农牧交错区生态环境需水量研究
相关短句/例句
interlock area of farming-foresting-pasturing农林牧交错区
3)agriculture and animal husbandry ecotone Lin农牧林交错区
4)HeLinGeEri agro-pastoral region和林格尔农牧交错区
5)farming-pastoral zone农牧交错区
1.Driving forces analysis of land-use pattern changes based on logistic regression model in the farming-pastoral zone:A case study of Ongiud Banner,Inner Mongolia;基于logistic回归模型的农牧交错区土地利用变化驱动力分析——以内蒙古翁牛特旗为例
2.Take Yulin for example,the paper analyses the conflicts between eco-construction and rural economy in farming-pastoral zone,including: imbalance between personal cost and social income,contradiction of eco-construction and food supplies,large number of agricultural remain.农牧交错区既是经济发展落后的地区,又是生态环境敏感区域。
3.Farming-pastoral zone of Songnen Plain is one of ecological vulnerable zones, and one of three concentrating distribution zones of saline-alkalize land which located in the west of Songnen Plain, the east of farming-pastoral zone.松嫩平原农牧交错区位于松嫩平原的西部,中国北方农牧交错带的最东端; 具有独特的地质环境特点,环境问题突出,是我国生态脆弱地区之一,及世界三大苏打盐碱土集中分布区之一。
6)agro-pastoral zone农牧交错区
1.GIS-based land-use eco-security evaluation in typical agro-pastoral zone;基于GIS的典型农牧交错区土地利用生态安全评价
2.The climate varieties of agro-pastoral zone in the northeastern Qinghai-Xizang Plateau and their impact on grass land vegetation;青藏高原东北部农牧交错区气候变化及其对草场植被的影响
延伸阅读
交错环和交错代数交错环和交错代数alternative rings and algebras 交错环和交错代数1 aitettla幼犯d雌s叨d川邵b”.;助‘T印.叮娜助砚”山田叨皿叨,曦讨J 孪拳所(al temative ring)是指每两个元素都生成一个结合子环的环;孪考华熬(al ter”ativeai二玩a)是(线性)代数并且是交错环.根据E.Artin的一个定理,所有交错环的类由如下一组等式定义: (习)y”x切)(右交错性); (xx)y二x(却)(左交错性).于是,交错环形成一个簇.在这种环里,结合子(ass呱ator)(结合性的亏量) (x,少,:)=(xy卜一x恤)是其自变元的一个斜对称〔交错)函数,这个事实表明使用术语“交错环”是合理的. 交错环的第一个例子是Ca尹ey数(Caylcy num-悦巧),它作成一个交错除环(幻忱n犯ti说s处阴一几城)或交错体,即有单位元的交错环且对于任意b和a笋0,方程ax=b和ya=b有唯一的解.交错除环在射影平面的理论中起着实质性的作用,这是因为一个射影平面是一个Motlfa飞平面(Mdufangp场能)(即关于某一直线的平移平面),当且仅当其三元环的任何坐标化是交错除环.在一个有单位元的环R中,如果每个非零元素均可逆且对任意a,b〔R均有等式a一’(ab)二乙(或者,(b a)a一’=b),则R是交错除环.任何交错除环或者是结合的,或者是其中心上的Ca洲ey一Di改50.代数(Qyley-众汰阳n爽灼ra). 每个单交错环也或者是结合环,或者是其中心上的Cayley一Di由on代数(在这种情形下,此代数未必是体).结合环和本原交错环都被Cayley·Di山on代数所穷尽.所有素交错环R(如果3R护0)或是结合环,或是Cayley一Dickson环. 在相似的条件下,交错环的许多性质本质上不同于结合环.例如,如果R是交错环,A和B是其右理想,则其积月丑未必是右理想,即使A是双边理想也如此.但是,两个双边理想的积仍是双边理想.交错环与结合环的差异也强烈地体现在这样的事实之中:由于括号放的位置不同,元素的积或是零或非零,从而交错环有各种幂零性.通常在交错环中使用如下几种幕零性:可解性(s olvabilit刃(环R称为具有指数m的可解子(s ulvable ringl如果存在自然数。
