A.在不影响网络结构的情况下,尽量选择现有的站址,以利用其机房电源铁塔等设施
B.将天线的主瓣方向指向高话务密度区,可以加强该地区的信号强度,从而提高通话质量
C.郊区的海拔很高的山峰一般考虑作为站址
D.对公路及山区覆盖的选址时,要充分利用地形特点,如公路拐弯处等开阔的地方
B.掉线是指在手机没主发Disconnect信令或没收到网络下发Disconnect/Release信令情况下,手机回到idle状态,则视为一次掉话
C.掉线指在终端正常进行数据传送过程中数据传送发生异常中断,包括RRC连接异常中断或数据速率降为0并持续5秒
D.掉线率指业务进行过程中发生业务异常中断的概率,即异常中断的次数与总业务进行次数之比
What is advertised in Ad. B?
A.A normal hotel.
B.A famous resort.
C.A ship restaurant.
D.A luxurious train.
A.average
B.normal
C.regular
D.common
Which of the following is people's normal response to the movies they watch?
A.They feel that everything on the screen is familiar to them.
B.They try to turn their dreams into reality.
C.They become so involved that they forget their own problems.
D.They are touched by the life stories of the actors and actresses.