第一段翻译如下Precipitation is the earth's surface water resource invisible income item , Chinese water resource originates from precipitation mainly. China is in monsoon climate area , the effect accepting the monsoon climate , the precipitation year time change is big , more outstanding, area being that in the world precipitation rate of change is maximal. Since both the social development studying the precipitation evolution analyses to Chinese and economic development have very important significance the behaviour that the climate changes on precipitation is pretty obvious. Precipitation is a main climate factor , amount of precipitation a bit and space-time scatter , has direct impact to the development of the economy producing life and society to the agriculture and animal husbandry , ecological environment , resident. Collect the arrange the precipitation data , analytical summary precipitation characteristic , try to find out precipitation law, the disaster taking precautions against and resolving the arid flood and waterlogging, guides to serve the agriculture and animal husbandry and various economic development , conforms to law of nature, changeable passivity defense for fitting in with on self's own initiative, be that one item significance is very important work.第二段翻译如下The 4 Tie Ling City precipitation stations 1957 ~ precipitation in 2006 data the main body of a book is made use of , the method wielding statistics secretly scheme against and frequency analysis, analyse and discuss to Tie Ling City precipitation evolution characteristic , maximal precipitation on 1st , precipitation from when tie , precipitation frequency , precipitation space distribution characteristic etc. has been in progress. Result is indicated: Annual amount of precipitation of Shen Yang City displays the trend coming down during the past 50 , average Tie Ling City year in 50 amount of precipitation is mms; The annual annual water yield time inner changes a pole unevenly , flood period (6-9 month) amount of precipitation accounts for about 77% of annual amount of precipitation; The precipitation space distribution assumes northwest low, high characteristic of southeast。文章有些长、、望认真看完、、标准人工翻译、、希望可以帮助你、、