semi arid 中文意思是什麼
semi arid
解釋
半乾燥的-
The space - time distribution of chinese semi - ari d region surface water is n ' t even, the differences in a year are obvious ; the differences of underground water between years are not so obvious as surface water, but it still has a decreasing tendency, especially in shanxi and sha ' anxi provinces. there is a significant linear correlation between the precipitation and water resources in semi - arid region, the dynamic regularity of water resources is basically same as the dynamic regularity of precipitation
半乾旱地區地表水資源時空分佈不均勻，年內分配差別大，地下水資源年際間變化率不大，但總體有減少的趨勢，尤以陜西和山西突出。半乾旱地區降水量與水資源量線性相關顯著，降水量的變化規律基本上與水資源量的變化規律吻合。 -
Indicatory function of soil moisture of undergrowth vegetations in the robinia pseudoacacia forests with different densities in semi - arid region on the loess plateaus
林下植被對半乾旱區不同密度刺槐林地土壤水分環境的指示作用 -
Sunflower is an important oil crop in semi ? arid area and arid areas of north china and north - west china. it is also a major vegetable oil source of the residents live in these areas
向日葵是我國華北、西北、東北半乾旱、乾旱地區種植的主要油料作物，也是這些地區居民食用植物油的主要來源。 -
Rendzina a type of brown earth soil typical of humid to semi - arid grasslands over calcareous rocks. the rendzina is rich in lime and has an upper humus - rich horizon
黑色石灰土：一種褐色的土壤，其特徵為潮濕的半乾旱的草地上覆蓋著石灰質的巖石。其富含有石灰和較高量的腐殖質。 -
High - yield techniques for sweet cherry in semi - arid mountainous areas
半乾旱山區甜櫻桃豐產栽培技術 -
Mongolian wheatgrass is a long - lived perennial grass of the genus agropyron. it is well adapted to the cold, arid conditions of the great plains and its leaves are rich in nutrition, so it is wide ranged in arid and semi - arid area of north of china
冰草屬于壽命較長的多年生叢生牧草，抗寒、耐旱性強，營養豐富，是我國北方乾旱和半乾旱地區改良天然牧草和人工草地的適宜草種。 -
A review on the studies of bryophyte ecology in arid and semi - arid areas
乾旱與半乾旱地區苔蘚植物生態學研究綜述 -
Groundwater has very important eco - value in arid and semi - arid regions
摘要乾旱半乾旱地區地下水具有重要的生態價值。 -
Arid and semi - arid lands
乾旱和半乾旱地區 -
Study on the eco - environment index of groundwater in inland arid and semi - arid basins
內陸乾旱半乾旱盆地地下水生態環境指標研究 -
Studies on regulating function of forest hydrology and microclimate in arid and semi - arid area of west china
乾旱半乾旱區山地森林的水分調節功能 -
Located in an arid and semi - arid area, ningxia is one of the weakest ecological systems in china
寧夏地處乾旱半乾旱地帶，是全國生態系統最脆弱的省區之一。 -
Landscape structure adjustment and the sustainable utilization of water resources in arid and semi - arid region
景觀結構調整和乾旱半乾旱區水資源的可持續利用 -
A comparative analysis on sustainable utilization of water resources in arid and semi - arid regions of gansu province
試論東北地區農業節水與農業水資源可持續利用 -
Water - saved irrigation - an reasonable way to establishing artificial grassland in arid and semi - arid pastoral area
發展節水灌溉是我國乾旱半乾旱草原區人工草地建設的必然舉措 -
In the arid and semi - arid area, water resources have become the " bottleneck " of regional social economic development and ecological building
在乾旱半乾旱地區，水資源已成為區域社會經濟發展和生態建設的「瓶頸」 。 -
A comparative study on water use characteristics and eco - adaptability of hippophae rhamnoides and caragana korshinskii in semi - arid loess hilly - gully region
半乾旱黃土丘陵區沙棘和檸條水分利用與適應性特徵比較 -
Climatic variation is a major factor of affecting the rate of desertification. the sustained period of water deficit is a direct cause of desertification in arid and semi - arid areas
其中，氣候變化是控制沙漠化進退的首要因素，陸表水持續虧損則是導致乾旱、半乾旱地區土地沙漠化發展的直接原因。 -
And climatic variation is a main factor affecting desertification. the sustained period of water deficit is a direct cause of desertification in arid and semi - arid areas. the tectonic activities of lithosphere control the distribution of desertification by constructing geomorphology
提出了自然作用在土地荒漠化演化中佔主導地位，其中，氣候變化是控制土地荒漠化進退的首要因素，地表水持續虧損則是導致乾旱、半乾旱地區土地荒漠化發展的直接原因。 -
The region of west inner mongolia lies in arid 、 semi - arid, terribly arid climatic zone, and the ecological environment is very frail
摘要內蒙古西部處在半乾旱、乾旱氣候帶，生態環境異常脆弱。
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