A、Because they are not engaged in the distress traffic
B、they will affect the transmission of the distress traffic
C、The powers of these stations are very weak
D、They are not in charge of search and rescue
更多“why do some stations keep silence?（）”相关的问题
A、Bosun, why do we open hatch covers? B、Officer, why do we open hatch covers? C、Bosun, why do we close hatch covers? D、Bosun, why do we open hatches?
A、when two stations communicate with each other B、in any radio system and at any time C、when one ship sends a message to another station D、for communication among some stations
A、A.Why don‘t we go now. B、B.Why don‘t we enjoy some beer at that bar. C、C.Why didn‘t you look up the map? D、D.Why didn‘t you tell me about it earlier.
A、A.when two stations communicate with each other B、B.in any radio system and at any time C、C.when one ship sends a message to another station D、D.for communication among some stations
A、They are not designed for multi-access-point networks. B、They do not scale well. C、They have higher total cost of ownership than some enterprise products. D、Their upgrade paths compete directly against Cisco upgrade paths.
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