The effective coefficient of drought disaster to main crop has been given and the assessment of degree of risk to planting crop also has been made.
提出了干旱灾害对主要粮食作物产量的影响系数,建立了定量评估模式,并对粮食作物的种植风险程度进行了评述。
参考来源 - 干旱气候对陇东南主要农作物产量影响的评估·2,447,543篇论文数据，部分数据来源于NoteExpress
Federal officials have declared all counties in the Alabama a drought disaster area.
联邦官员已经表示亚拉巴马所有县为干旱受灾地区。
Our country is a country with lack of water resources and also serious flooding and drought disaster.
我国水资源匮乏，同时又是旱涝灾害严重的国家。
Taking county as an element the agricultural drought disaster vulnerabilities of Hebei Province in different periods are assessed.
以县域为单元，对河北省不同时段的农业旱灾脆弱度进行了评估。
应用推荐