有效降雨量的英文

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"有效降雨量"怎么读用"有效降雨量"造句

英文翻译手机版

effective precipitation
effective rainfall

"有效"英文翻译 effective; valid; efficaciou ...
"降雨量"英文翻译 rainfall
"等效降雨量" 英文翻译 : equivalent rainfall
"有效降雨" 英文翻译 : effective rainfall; effective rian; rainfall effectiveness
"有效降雨强度" 英文翻译 : intensity of effective rainfall
"有效降雨损失量" 英文翻译 : effective abstractions
"降雨量" 英文翻译 : rainfall 年降雨量 annual rainfall
"雨量；降雨" 英文翻译 : rainfall
"降雨，降雨量" 英文翻译 : rainfall
"有效降水" 英文翻译 : available precipitation; effective precipitation; effectiveprecipitation; precipitation effectiveness
"有效降水量" 英文翻译 : effective powerprecipitation; effective precipitation; effective rainfall; effectiveprecipitation
"测量降雨量" 英文翻译 : measure the amount of rainfall
"大降雨量" 英文翻译 : heavy rainfall
"地表降雨量" 英文翻译 : ground rainfall
"降雨量分布" 英文翻译 : distribution of rain; rainfall distribution coefficient
"降雨量梯度" 英文翻译 : rainfall grandient
"降雨量学" 英文翻译 : hyetology
"降雨雨量" 英文翻译 : rainfall
"净降雨量" 英文翻译 : net rainfall
"年降雨量" 英文翻译 : annual preipitation; annual rainfall; yearly rainfall
"年总降雨量" 英文翻译 : total rainfall per year
"平均降雨量" 英文翻译 : average precipitation; average rainfall; normal rainfall
"日降雨量" 英文翻译 : daily precipitation
"适度降雨量" 英文翻译 : moderate rainfall
"特大降雨量" 英文翻译 : outstanding rainfall

例句与用法

Based on the analysis of crop structure and crop yield according to the statistic data in 1949 ~ 2000 year . the total water consumption of main crops and the amount of rainwater utilized have been calculated . the rapid increase in water demand for crops production after the late eighties is the one of main reasons of the water resources crisis in baoding area . the efficient precipitation , the water demand and the deficiencies of main crops in different typical years and in different growth period in baoding plain have been studied in detail . the factors of water use efficiency of different crops have been put forward through the analysis of test data in typical year
本文利用保定市1949 2000年主要农作物的种植面积与产量统计资料，在分析了历年种植结构变化、单产变化的基础上，明确了历年粮食总产变化情况，计算了历年粮食生产的总需水量及其变化；根据农作物的雨水资源的变化规律，分析了历年用于粮食生产的有效降水量；得出了保定市农业用水量从90年代中后期大幅度增加而有效降雨量的明显减小，是造成保定市水资源供需矛盾突出的主要原因之一。