A towboat is pushing barges ahead at a dangerously fast speed when(). ["the towboat vibrates when backing down","the roostertail exceeds the height of the main deck","a strain is placed on the face wires","water comes over the foredeck of the lead barge"]
PID算法的离散形式有位置型控制算法和()控制算法两种。
中国儿童在出生后就应该接种() ["百白破疫苗","麻疹疫苗","卡介苗乙肝疫苗","脊髓灰质炎疫苗"]
引起植物发生双光增益效应的两种光的波长是多少?() ["450nm","650nm","大于686nm","550nm"]
实现客户的主管关系调整有哪些途径() ["总行\/分行\/支行主管发起客户归属调整,调整客户的主管关系归属","分行主管批量分配客户,调整客户的主管关系归属","品牌签约:通过换品牌签约实现客户的主管关系归属调整","客户经理发起客户调入调出申请,调整客户的主管关系归属"]
继电保护配置的总体要求是什么?