某项发盘于某月11日以电报的形式送达受盘人,但在此之后的13日,发盘人以传真告受盘人,发盘无效,此行为属于() ["发盘的撤回","发盘的修改","一项新的发盘","发盘的撤销"]
某计算机的IP地址是202.102.192.1,其属于()地址。 ["A类","B类","C类","D类"]
交流电流表要扩大量程,可采用() ["电流互感器","电压互感器","分流器","分压电阻"]
对于计划检修终端描述正确的是() ["需配备安全文件网关","需配备防火墙","实现检修工作票管理","实现保护定值单管理"]
直流电压表要扩大量程,可采用() ["电压互感器","电流互感器","分流器","分压电阻"]
党代表大会与党代表会议有什么区别?