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【单选题】
是一种通用的总线规规格 , 它由 Intel 提出是目前最新的总线和接口标准。A.
PCI- E
B.
AGP
C.
PCI
D.
ISA
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皮皮学刷刷变学霸
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【单选题】特性阻抗为Z 0 的无耗传输线终端接负载Z L ，若Z L 为容性负载，则传输线上距离负载最近处为______点。
A.
电压波腹
B.
电压波节
C.
电流波节
D.
各种可能的波节波腹
【简答题】如图所示无耗传输线，证明：当Z g =Z 0 时，不管负载多大，传输线有多长，恒有|U i1 |=|U i2 |=|E|/2成立，并且负载吸收功率P L =P i (1-|Г L | 2 )， 为入射波功率。
【简答题】Old people are always saying that the young are not what they were. The young are better educated. They have a lot more money to spend and enjoy more . They grow up more quickly and are not so ...
【简答题】Scala关于变量定义、赋值,错误的是? A、val a = 3 B、val a:String = 3 C、var b:Int = 3 ; b = 6 D、var b = "Hello World!" ; b = "123" 2、关于和Scala进行交互的基本方式REPL说法错误的是? A、R 读取(read) B、E 求值(evaluate) C、P 解析(Parse) D、L 循环(Loop)...
【简答题】Old people are always saying that the young people are not【61】they were. The same comment is【62】from generation to generation and it is always【63】. It has never been truer than it is today. The young ...
【简答题】Old people are always saying that the young people are not【51】they were. The same comment is【52】from generation to generation and it is always【53】. It has never been truer than it is today. The young ...
【简答题】Old people are always saying that the young people are not 【C1】______ they were. The same comment is 【C2】______ from generation to generation and it is always 【C3】______ . It has never been truer than...
【单选题】Old people are always saying that the young are not what they were. The same【C1】______is made from generation to generation and it is always true. It has【C2】______been truer than it is today. The youn...
A.
comment
B.
effort
C.
idea
D.
opinion
【简答题】Passage Two Old people are always saying that the young are not what they were. The same comment is made from generation to generation and it is always true. It has never been truer than it is today. ...
【简答题】一均匀无耗传输线的Z 0 =500Ω，负载Z L =(300+j400)Ω，λ=3m，传输线长度为l=1.25λ，源E g =50V，Z g =Z 0 =500Ω，求：
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