新建会场时协议类型可以选择() ["H.323协议","TCP协议","IP协议","SIP协议"]
LNG管道系统严密性试验的压力应为()。 ["设计压力","设计压力的1.15倍","设计压力的1.2倍","设计压力的1.5倍"]
在巷道断面中,岩层占()以上的称为岩巷。 ["3/5","4/5","全是","2/5"]
进行点对点会议时呼叫时可以选择输入() ["对面终端IP地址","会场号","GK号","MCU号"]
晋济消毒饮中所用之药有:()。 ["黄连、黄芩","板蓝根","大黄","大青叶","白僵蚕"]
线性表的顺序结构和链表结构各有何优缺点?