组织协调社会教育力量的原则主要有()、()原则。
要素比较法的步骤是什么?
进行电力系统计算时,用不带单位的元件参数和运行参量的相对值进行计算,称为()。 ["单位制","有名制","标幺制","以上都不正确"]
An inflatable liferaft can be launched by(). ["the float-free method ONLY","breaking the weak link on the painter","throwing the entire container overboard and then pulling on the operating cord to inflate the raft","removing the securing stra"]
社会教育的特点主要有()、()、()。
用人单位何时向劳动者支付工资,支付工资的周期应为多长时间?