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"]
基层全科医生经常使用的临床预防的方法有() ["病人教育和咨询","筛检、预防接种","化学预防、健康危险因素评估","以上都是"]
A tow of 9 barges is made up three abreast and three long. The towboat is faced up to the center string which is known as the(). ["main string","push string","power string","face string"]
下列属于存款类业务凭证的是()。 ["各种空白存单(折)","单位定期存款证实书","出国人员存款证明书","借记卡卡片"]
配电网中备自投动作基本遵循的原则是什么?