说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 沙漠化规模
1)  scale of desertification
沙漠化规模
2)  desert and desertification
沙漠与沙漠化
1.
This article pointed out that the distributing pattern of Chinese desert and desertification is V shapesd, and the Qinghai-Tibet plateau uplift may be the main factor to this pattern.
本文指出 ,中国沙漠与沙漠化分布呈“V”型格局 ,而青藏高原的隆起对中国沙漠与沙漠化格局的形成具有决定性的作用。
3)  aeolian desertification
沙漠化
1.
Problems and suggestions in research on aeolian desertification in Tibetan Plateau
西藏高原沙漠化研究中的问题和建议
2.
The results from remote sensor monitoring and field survey show that aeolian desertification process in the study area can be distributed into two stages: the developing stage from late 1980s to 2000,and the reversing stage form 2000 to 2006.
遥感监测和野外调查研究结果表明:玛多县的沙漠化经历了由迅速发展到急剧逆转的过程,其中,20世纪80年代到2000年是沙漠化迅速发展的时期,沙漠化土地面积从1987年的12 827。
3.
The aeolian desertification is a land degradation characterized by wind erosion mainly resulted from the excessive human activities in arid, semiarid and part of sub-humid regions in Northern Chian.
沙漠化是干旱、半干旱及部分半湿润地区由于人地关系不相协调所造成的以风沙活动为主要标志的土地退化。
4)  land desertification
沙漠化
1.
Study on the control of land desertification and its project construction in Tibet autonomous region;
西藏自治区土地沙漠化防治及其工程建设问题研究
2.
The reclamation of land desertification in Shiyang river basin mainly depends on governments and experts in the last 50 years.
羊河流域近50年来的沙漠化治理主要依赖政府和专家等社会"精英"阶层的决策,区域原居民往往是政策的被动执行者。
3.
To prevent and combat land desertification in Bashang has very important realistic and historical significance.
河北坝上地区是我国北方土地沙漠化最严重的地区之一。
5)  desertification [英][dɪ,zɜ:tɪfɪ'keɪʃn]  [美][dɪ'zɝtəfə'keʃən]
沙漠化
1.
A new approach to desertification process of sandy lands in east of the Yellow River in Ningxia;
宁夏河东沙地历史时期沙漠化过程新探
2.
Ecological Restoration Measures for the Desertification of Both Sides of National Highway G304 in the Hinterland of Inner Mongolia Kerqin Sandy Land;
内蒙古科尔沁沙地腹地G304国道两侧沙漠化生态修复措施
3.
Threshold friction velocity of various land cover types with strong desertification on north of Yinshan mountain in Inner Mongolia;
阴山以北沙漠化地区表土的起动摩阻风速
6)  desertization
沙漠化
1.
Studies on Desertization Driving Forces Mechanism in Mu Us Region;
毛乌素地区沙漠化驱动机制研究
2.
94 km 2 of desertization land in mining area have been controlled by setting up sand barrier in moving sandy land and planting windbreak forest of arbor and shrub, which has preliminarily restricted the desertization land in development district.
通过对东胜矿区的流动沙地设置沙障 ,在沙障内营造乔灌防风固沙林和围封管护的技术措施 ,治理井田沙漠化面积 65 。
3.
Here is also the eastern fringe of desertization land in P.
松嫩沙地位于欧亚大陆中纬度巨型沙带的东部边缘,也是我国沙漠化土地的东缘,其独特的生物气候条件、发育历史与区位条件,使松嫩沙地具有不同于其它沙地的特点。
补充资料:规模经济/规模不经济

规模经济/规模不经济:规模经济和规模不经济用来说明厂商产量变动从而规模变动与成本之间的关系。对于一个生产厂商而言,如果产量扩大一倍,而厂商的生产成本的增加低于一倍,则称厂商的生产存在着规模经济;如果产量增加一倍,而成本的增加大于一倍,则生产存在着规模不经济。

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