按照供应链中承担成本的不同成员划分,成本分为()。 ["供应商成本","制造商成本","分销商成本","零售商成本","顾客成本"]
观测值的中误差,其概念是() ["代表一组观测值取平均后的误差","代表一组观测值的平均误差","每个观测值平均水平的误差","代表一组观测值中各观测值的误差"]
在“理想产品”模型中,影响客户满意度的因素有两个() ["产品本身","用户对产品的期望","客户服务","客户让渡价值","客户对产品的敏感"]
逻辑判断电路应保证在任何时刻逻辑判断电路的输出Uz和UF状态必须() ["相同","相反"]
判别明渠水流流态的依据是弗汝德数,当Fr ["缓流","急流","急变流","临界流"]
变速器操纵机构的定位锁止装置有哪些,各有何作用?