1.
Located in an arid and semi-arid area, Ningxia is one of the weakest ecological systems in China.
宁夏地处干旱半干旱地带，是全国生态系统最脆弱的省区之一。
2.
Originating in a dry habitat, such as a rocky shore, cliff, or desert.Used of a sere.
在旱地发展的生长于干旱地带的，如岩滩、悬崖或沙漠的。用在演替系列
3.
Determination of thermal parameter of aerated zone in the arid and semi-arid region
干旱半干旱地区包气带热参数模型研究
4.
any of various terrestrial ferns of the genus Cheilanthes; cosmopolitan in arid and semi-arid temperate or tropical regions.
碎米蕨属的陆生植物；生长于全球干旱和半干旱温带或热带地区。
5.
The CO_2 Flux of Soils and the CO_2 Concentration of Surface Layer at Arid Region in Temperate Zone;
温带干旱地区近地层CO_2浓度和土壤CO_2通量
6.
Technology Transfer on Selected Food Crops for the Semi-Arid Tropics
半干旱热带地区特定粮食作物的技术转让
7.
Grassland livestock industry development measures for the middle arid region of Ningxia;
宁夏中部干旱带草地畜牧业发展措施的研究
8.
Characteristics of Vegetation Degradation at the Ecotone of Mountain Forest and Dry Valley
山地森林/干旱河谷交错带植被退化特征
9.
arid transition life zone
【生态】干旱过渡生物带
10.
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。
11.
The Research on the Agro-ecosystem Productivity Development in the Ecotone in Dry-semidry Area between Agriculture and Pasture in North China;
北方干旱、半干旱农牧交错带地区农业生态系统生产力开发途径研究
12.
Feasibility and Prospect for Developing Alfafa Industrialization in Farming-livestock Integrated Region of Northwestern Arid and Semiarid Area;
西北干旱半干旱地区农牧交错带发展苜蓿草业的可行性及前景分析
13.
Ecological Management of Arid and Semi-Arid Range land Programme
干旱和半干旱牧地生态管理方案
14.
of arid and semiarid open country.
产于干旱和半干旱地区的空旷乡间。
15.
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。
16.
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
17.
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
18.
Characteristics of the carbon dioxide concentration near the surface layer of the atmosphere in the arid region of the northern temperate zone
温带干旱地区近地层空气二氧化碳浓度的变化特征