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【单选题】
采用p坚持载波监听策略时,若此时监听到信道忙,则( )。A.
停止监听，延迟一个随机时间后再次监听；
B.
坚持监听直到信道空闲，并以概率P延迟一段时间下，再发；
C.
坚持监听直到信道空闲，并以概率p发送数据；
D.
以概率P继续监听，直到信道空闲再发。
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【判断题】"When spring came, it brought two floods.” Here, the second flood refers to the good harvest in the growing season.
A.
正确
B.
错误
【简答题】When spring came they would have to their backs and do it until their hands and bones got with rheumatism.
【简答题】The next day and the next and all their lives, when spring came they would have to bend their backs and do it until their hands and bones got twisted ______ rheumatism. But night would always bring __...
【简答题】高压控制盒的功用:
【简答题】高压控制盒的功能?
【判断题】"When spring came, it brought two floods.” Here, the second flood refers to the good harvest in the growing season.
A.
正确
B.
错误
【简答题】矿石构造、矿石结构、矿物晶粒内部结构的概念
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