供水以及其他公用事业受到了严重影响。Water supplies and other public utilities were badly affected.曾为水井供水的蓄水层正式宣告干涸了。The aquifer which had once fed the wells was pronounced dry.州水利工程项目已切断了对农场主的所有供水。The State Water Project has shut off all ...
Dimorphism The existence of two distinct forms.二型现象:出现两种不同的类型.These variables fishers and Bayes discriminant functions to distinguish sexual dimorphism the three strains.结果表明:不同品系性差不同,判别函数对于性别判定具有明显的实用价值....