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【单选题】
下面有电路分组交换和数据报分组交换的特性,( )是正确的A.
虚电路中的分组到达顺序可能与发出顺序不同
B.
虚电路数据报方式都为无连接的服务
C.
虚电路在建立连接之后，分组中只需要携带连接标识
D.
数据报，分组在网络中沿同一条路径传输，并且按发出顺序到达
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举一反三
【单选题】The supply and demand of agricultural products are ______ balanced.
A.
on purpose
B.
on average
C.
in advance
D.
in general
【简答题】词汇翻译(英译汉) general Inquiry
【简答题】英译汉 GCR (general cargo rate)
【单选题】宽带调相描述正确的是（）。
A.
宽带调相与宽带调频之间的内在联系松散
B.
调相信号频谱比调频信号频谱少
C.
从卡森公式来看调相信号与调频信号的频带宽度仅是用调相指数取代调频指数
D.
调相信号频谱与调频信号频谱各边频分量相移相同
【简答题】词汇翻译(英译汉)to give sb. a general idea of
【简答题】11. My paragraph has
mistakes. ____ need to write it again.
【简答题】general enquiry (英译汉)
【简答题】Change the following comparison paragraph developed by point-by-point method into a comparison paragraph developed by subject-by-subject method. My hometown and my college town have several things in ...
【单选题】A comparison and contrast paragraph or essay can be organized by either a block method or a slice method. What method is used in the following paragraph? My hometown and my college town have several ...
A.
Block method
B.
Slice method
C.
/
D.
/
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