调车、矮型出站、矮型进路、复示信号机、容许引导信号及各种信号表示器的显示距离,不得少于()。
A. 400m
B. 300m
C. 200m
D. 100m
第8槽位中频板0号FPGA对应第0号TRX板,第9槽位中频板1号FPGA对应第6号TRX板,第13槽位中频板2号FPGA对应第()号TRX板。
A. 0
B. 1
C. 6
D. 9
Which set of classes correctly identifies the four traffic classes, from highest priority to lowest priority, specified in the 802.11e standard?()
A. gold, silver, bronze, and platinum
B. platinum, gold, silver, and bronze
C. titanium, gold, silver, and bronze
D. voice and video, best effort, background, and scavenger
E. voice, video, best effort, and background
F. voice, video, best effort, and scavenger
在线办理2G业务时,首先要查询用户是否有预约受理,如有预约受理,不要受理,建议用户下月再申请。请写出在营帐系统里具体查询预约受理方法的两种途径?