1.
The Study of Diversity and Phylogeny of Rhizobia Isolated from Caragana in Arid and Semi-Arid Regions in Northwestern China
西北干旱与半干旱地区锦鸡儿属根瘤菌多样性及系统发育研究
2.
The population distribution and economic development in Arid＆ Semi-Arid area of northwest of China;
我国西部干旱半干旱地区人口分布与经济发展
3.
The research of the relations between the yield on irrigation and fertilization on arid and semi-arid areas of turf
干旱半干旱区草地灌水与施肥增产关系的研究
4.
of arid and semiarid open country.
产于干旱和半干旱地区的空旷乡间。
5.
The region is semiarid to arid in overall climate.
这个地区总体上是半干旱至干旱气候。
6.
Agricultural and Livestock Production in the Arid and Semi-arid Areas in the United States of America
美国干旱、半干旱地区的农牧业生产
7.
The Research of Dust Emission in Arid and Semi-arid Soil
干旱半干旱地区土壤的粉尘释放研究
8.
dryland(s) management: The management of arid and semi-arid areas.
旱地管理:指对干旱和半干旱地区的管理。
9.
Farmland Drought Defence and Drought Resistance Measure in Semiarid Loess Plateau
黄土高原半干旱区农田干旱防御与抗旱措施
10.
Semi-arid land ecosystems
半干旱地区生态系统
11.
Calibration and Analysis of the Surface Temperature in the Arid and Semi-arid Area Based on Landsat ETM+Data
基于Landsat ETM+影像的干旱半干旱地区地表温度反演研究与分析
12.
Groundwater has very important eco-value in arid and semi-arid regions.
干旱半干旱地区地下水具有重要的生态价值。
13.
A PRELIMINARY STUDY ON THE CORRELATION BETWEEN CROP YIELD AND METEOROLOGICAL FACTORS IN THE MIDDLE ARID AND SEMIARID AREAS OF GANSU PROVINCE
甘肃中部干旱、半干旱地区作物产量与气象因子相关性研究初探
14.
Study on Sprinkler Irrigation Uniformity Characteritics and Optimization of Pipe Network System of Artificial Forage in the Arid Area and Semi-arid Area;
干旱半干旱地区牧草喷灌均匀特性与管网系统优化研究
15.
Evapotranspiration Models and Water Requirements of Nature Vegetation in the Arid and Semiarid Region;
干旱半干旱地区天然植被蒸散发模型与植被需水量研究
16.
A Synthetical Study on Land Use/Cover Change and Desertification in Arid and Semiarid Region;
干旱、半干旱区土地利用/覆盖变化与荒漠化的遥感综合研究
17.
The Static and Dynamic Stability Study on Compacted Loess High Embankment of the Arid and Semi-arid Area
干旱半干旱地区压实黄土高路堤静力与动力稳定性研究
18.
Reviews and prospects on eco-effect induced by groundwater in arid and semi-arid regions
干旱半干旱区地下水引起的生态效应的研究现状与发展趋势