semiarid的例句大全

The function test and research of deep planting earth auger in semiarid sand

半干旱沙地深栽造林钻孔机的性能试验与研究

The semiarid region of western Heilongjiang province is an important grain production base in China. However, in the area, average annual rainfall is few and the shortage of water resources is very serious.

黑龙江西部半干旱区为我国主要的粮食生产基地，该区年均降水量少，水资源紧缺问题十分严重。

This study deals with precipitation fluctuations in the transitional zone between the arid and semiarid regions of northwest China from the 1950s to the 1990s, discusses spatial variation of 250 mm isohyet during the dry years and wet years;

分析了干旱半干旱区过渡带降水的时空变异性，确定了250mm降水量线在丰枯年份的空间摆动幅度。

Functions and Benefits of Farm land Shelter-belts in Semiarid Sand Land

半干旱风沙区农田防护林的功能及效益评价

Growing seasons in temperate regions will expand, while droughts are likely to ravage further the semiarid regions of Africa and southern asia.

温带地区的植物生长季节将增长，而在非洲和南亚缺水区域，乾旱将更为严重。

On the Technical Method for Conducting Geochemical Survey in Hulun Buir Grassland Semiarid

呼伦贝尔半干旱草原区化探方法技术研究

The results show that: the rainwater catching terraces with a ratio of plane cropland area to sloping area 1 ∶ 1 on the hillside fields should be constructed in this hilly semiarid area;

结果表明，该地区坡耕地适宜修建1∶1平坡比的集流梯田工程；

protective cultivation techniques of valley and proso millet minor cereal crops in dust semiarid zone in west region of liaoning province

辽西风沙半干旱地区谷黍等小杂粮作物保护性耕作技术

problem and strategies on eco-environmental construction of arid and semiarid lands in inner mongolia autonomous region

内蒙古自治区干旱半干旱地区生态环境建设问题与对策

study on variety of soil moisture before spring seeding in semiarid region of west liaoning province

辽西半干旱地区春播前土壤墒情变化的研究

aboveground biomass and water use efficiency of an introduced grass, panicum virgatum, in the semiarid loess hilly-gully region

黄土丘陵半干旱区引种禾草柳枝稷的生物量与水分利用效率

effect of ridging and fertilization and plastic film covering technique for potato in semiarid region with cold climate and high elevation

高寒半干旱区马铃薯聚垄集肥覆膜技术效应

semiarid ridging high-yielding cultural techniques of ratooning rice in cold waterlogged fields

再生稻冷浸田半旱式垄作高产栽培技术

introduction and cultivation of gramineous grasses in the semiarid sand area, yanchi ningxia

宁夏盐池半干旱沙化地区禾本科牧草引种试验

research on drought-resisting technology of evaporation-inhibiting and rain water harvesting for spring wheat in dingxi semiarid region

定西半干旱地区春小麦抑蒸集水抗旱技术研究

paleoenvironmental significance investigation of loess magnetic fabric in a semiarid region

祁连山东段半干旱区黄土磁组构及其环境意义

drought-resistance and high-yield cultural techniques of maize in windy and dusty semiarid zone

风沙半干旱区玉米抗旱高产栽培技术研究

an analysis of diurnal changes of water potential of lawn grass and weeds in semiarid zone

半干旱地区草坪草和主要杂草水势的日变化特征分析

effect of film mulching on growth and yield of maize in sandy and semiarid zone

风沙半干旱区地膜覆盖对玉米生长发育及产量的影响

eco-farming mixed planting with animal husbandry based on rainwater-harvesting technology in semiarid area

半干旱区以集水技术为基础的农牧混合型农业