【简答题】以太无源光网络(EPON)是一种重要的接入技术,其信号传输模式可概括为919上一。 A.下行为广播方式,上行为TDMA方式8.下行为WDM方式,上行为FDMA方式 C.下行为0FDM方式,上行为广播方式 D.下行为TDMA方式,上行为WDM方式
【判断题】域使用管理属于行政管理范畴,是海洋综合管理的重要组成部分。
【单选题】船用真空沸腾式海水淡化装置的真空泵一般多采用______。
【单选题】试题(12) EPON是一种重要的接入技术,其信号传输模式可概括为 (12) 。 (12)
B.
采用点到多点模式,下行为广播方式,上行为TDMA方式
D.
采用点到点模式,上下行均为CSMA/CD方式
【简答题】Thank you very much for coming today to help celebrate our dear friend, James Holt. But before I talk to you about James and his many 1) ______________, I would like first to share some news with you....
【单选题】In his famous study of myth, The Hero with a Thousand Faces, Joseph Campbell writes about the archetypal hero who has ventured outside the boundaries of the village and, after many trials and adventur...
A.
the many villagers whose lives are changed by the story the hero has to tell.
B.
the fact that the hero journeys into many different imaginary countries.
C.
the many languages into which the myth of the hero has been translated.
D.
the universality of the myth of the hero who journeys into the wilderness.
【判断题】坯布划线时只需确定款式线,无需确定人台结构线。( )