arid and semi-arid region的意思|示意

Water application furrow seeder for arid and semi arid region can carry on the watering operation as sowing and fertilizing with the objective of seedling prevention.

施水沟播机可在起垄施肥播种的同时进行施水作业，从而解决了干旱和半干旱地区的播种保苗问题。

The natural precipitation of arid and semi-arid region of China is very few and uneven distributed in time and space with stochastic property.

我国干旱半干旱地区，天然降水量少且时程及地域相差大，并有很大的随机性。

Runoff collecting irrigation agriculture rapidly rises in the last stage of the eighth five year plan in northwestern arid and semi arid region, and it plays an active role in promoting grain output.

集流灌溉农业是“八五”末期在我国西北干旱、半干旱地区迅速兴起的农业灌溉方式，对该区增产粮食起到积极推动作用。

Soil heat flux plays an important role in energy flux exchange between land and atmosphere, especially in arid and semi-arid region.

土壤热通量在地表能量交换中扮演着重要角色，干旱半干旱区土壤热通量更加重要。

The area of arid and semi-arid region of China accounts for 52.5 percent of the the whole area of territory, it is important bases of agriculture, forestry, animal husbandry of our country.

中国干旱半干旱地区面积约占国土总面积的52.5%，成为农业、林业、畜牧业的重要基地。

The problem of plant conservation is serious in arid and semi arid region.

干旱地区物种保护的问题更为突出。