【简答题】某车间有A、B、C、D四台发电机,今要求(1)A必须开机(2)其他三台电动机中至少有两台开机,如不满足上述要求,则指示灯熄灭,试设计逻辑电路图。
【简答题】某车间有A、B、C三台发电机,今要求(1)A必须开机(2)其他两台电动机中至少有一台开机,如不满足上述要求,则指示灯熄灭。试用与非门完成此电路。
【单选题】在职场中,女士头发颜色按职业要求应以_____为限。
【判断题】无风险报酬率就是在货币时间价值的基础上加上通货膨胀贴水。
【单选题】A sparkle in his eyes ____ his face whenever he smiled.
【判断题】HXD3C电力机车无火回送操作时,手动缓解停放,确认制动夹钳与制动盘有间隙。
【简答题】He smiled in ________________. Obviously he was very pleased with what he had done. (satisfy)
【简答题】He smiled in ____________. Obviously he was very pleased with what he had done. (satisfy)
【单选题】在OSI模型中,将网络功能划分层数是()。