1.
Ecological Management of Arid and Semi-Arid Range land Programme
干旱和半干旱牧地生态管理方案
2.
International Programme on Ecological Management of Arid and Semi-Arid Rangelands
干旱和半干旱牧场生态管理国际方案
3.
of arid and semiarid open country.
产于干旱和半干旱地区的空旷乡间。
4.
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。
5.
Regional Technical Cooperation Network on Arid and Semi-arid Lands in the Latin American and Caribbean Region
拉丁美洲和加勒比区域干旱和半干旱土地区域技术合作网
6.
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。
7.
Effect of Different Cultivation Patterns and Zinc Fertilization on the Drought Resistance of Summer Maize in Arid and Semiarid Region;
不同栽培模式和锌肥对干旱半干旱地区夏玉米抗旱性的影响
8.
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。
9.
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
10.
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
11.
Study of Sorghum Planting Mode in Arid and Semi-arid Area
“干旱、半干旱”区高粱栽培模式的研究
12.
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
13.
Numberical Study on the Atmospheric Water Vapor Budget and Transport over Arid/Semi Arid Area of Northwest of China;
中国西北干旱半干旱区上空水汽收支和传输的数值模拟研究
14.
Semi-arid land ecosystems
半干旱地区生态系统
15.
Study on Run-off Planting Technology of Proso in Semi-arid and Drought-inclined Areas;
半干旱偏旱区糜子径流栽培技术研究
16.
Cold regions cover the areas with the average temperature of the coldest month below 0’C.Arid regions cober arid and semiarid areas.
寒区是指冬季最冷月平均温度为零度以下地区；旱区包括干旱区和半干旱区。
17.
Terpenoids are more prevalent in some arid or semiarid climates.
萜类在某些干旱或半干旱气候条件下较为普遍。
18.
Shortage of water resources restricted agricultural production in arid and semiarid region.
水资源紧缺限制了干旱半干旱地区农业生产。