磷细菌肥料
多黏菌素的适应证是() ["G+<\/sup>菌感染","G-<\/sup>菌感染","铜绿假单胞菌感染","混合感染","耐药金黄色葡萄球菌感染"]
检查腘绳肌3级以上肌力最准确的体位是() ["俯卧位","仰卧位","侧卧位","坐位","站立位"]
检查股四头肌2级肌力最准确的体位是() ["俯卧位","仰卧位","侧卧位","坐位","站立位"]
经过分析某流域最大初损IM=100mm,土壤消退系数K=0.96,从6月1日至3日连续降大雨,设4日流域平均前期影响雨量为P(a,4)=100mm,4日降雨量为0.3mm,求5日的P(a,5)=?又5日没雨,求6日的P(a,6)=?
沼气发酵