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【简答题】
一个TCP连接下面使用256kbit/s,其端到端时延为128ms。经测试,发现吞吐量只有120kbit/s。试问发送窗口W是多少?(设发射时延为T,接收端在收完一批数据的最后才发出确认,因此发送端经过(256ms+T)后才能发送下一个窗口的数据)
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举一反三
【单选题】Writing is a slow process, requiring plenty of thought, time and effort。
A.
significant
B.
considerable
C.
enormous
D.
numerous
【单选题】Writing is a slow process, requiring ______ thought, time, and effort.
A.
significant
B.
enormous
C.
considerable
D.
numerous
【简答题】Writing is a slow process, requiring ________ thought, time, and effort. A) significant B) considerable C) enormous D) numerous
【单选题】Read "Zhaozhou Qiao" and complete the following statements by choosing the proper answer from A, B, C and D. Zhaozhou Bridge leads the word in bridge construction because of its being .
A.
the longest symmetrical arch bridge
B.
the oldest stone-arched bridge
C.
the oldest open-spandrel bridge
D.
best-proportioned bridge
【单选题】关于叠加原理的应用,下列叙述中错误的是( )。
A.
对含有受控源的电路，在应用叠加原理时，不能把受控源像独立源一样计算其响应。
B.
叠加原理只适用于计算线性电路的电压和电流，不适用于计算功率。
C.
各个响应分量在进行叠加时，只是在数值上进行相加，不必考虑各个响应分量的参考方向。
D.
应用叠加定理，当考虑电路中某一独立电源单独作用时，其余不作用的独立电源都要置零。
【单选题】Writing is a slow process, requiting ______ thought, time, and effort.
A.
significant
B.
considerable
C.
enormous
D.
numerous
【单选题】Coal was formed out of dead forests by a long and slow().
A.
press
B.
procedure
C.
success
D.
process
【单选题】Writing is a slow process ,requiring ______ thought, time and effort.
A.
considerable
B.
significant
C.
enormous
D.
numerous
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