【简答题】简述三相电子式多功能电能表的测量内容有哪些?
【简答题】A.She shopped. B.She sewed. C.She repaired her car. D.She bought some tobacco.
【多选题】全电子式电能表的特点有()。
D.
引入单片微机后,可实现功能扩展,制成多功能和智能电能表等
E.
由于可将测量值(脉冲)输出,故可进行远方测量
【判断题】在 AutoCAD2008 中,若菜单中某一命令后有“...”,则表示该命令有下级菜单 。
【单选题】She didn't ask her boyfriend to buy her a car. ____________, she bought one for him. [ ]
【单选题】使用以下( )首字母缩略语来代表用于支持的单个家庭成员的需求的网络。