是关于气候以及灌溉的：我试试吧：我把句子分开了便于你看清和检查是不是电脑弄的：Northwest China region is always with harsh natural conditions.It is drought and has little rain ,which results in extreme water shortage. According to the development process and the actuality of the irrigation of the agriculture in Northwest,we get information that raising the efficiency of irrigation water is the fundamental measure for the development of water-saving irrigation.The rain collection and analysis of irrigation and other water-saving irrigation methods differ. The Gansu Province have success stories for irrigation.And the city's rainwater harvesting irrigationproved that the central and western mountainous areas of scientific and effective development and utilization of water resources is a effective form.有漏洞望修改
In Northwest of China, the nature environment is very awful, drought andless rainning,the resource of water is overly lack.According to the farm irrigating develop history and status quo in Northwest, analyse the problem existing in farm irrigating,point out the basic measure in develop water saving farm irrigating is increase the water using efficiency. moreover it is analyse the different method of irrigating by collected the rain and the other ways of water saving farm irrigating. link with the successful case about the irrigating provided by GANSU province. It prove the rain collection irrigating is the one of best efficiency way to westen mountainous area to empolder water resource.100% 人翻译，没用软件
In view of the regular draught and scarce rainfall resulting in a harsh and hostile natural environment, the northwest regions of our country are extremely lack of water resources. This essay analyses the problems concerning irrigation by reviewing the development history and the present situation of agricultural irrigation in northwestern regions; and suggests that water-saving irrigation method is the fundamental measure to enhance the efficiency of water usage in agricultural irrigation. It also analyses the differences between rain-collecting irrigation and other irrigation methods, and by citing the successful examples of irrigation methods in Gansu Province, it proves that rain-collecting irrigation is a scientific and efficient form of utilizing rain water resources in the central and western mountainous regions.
