任何传输系统的信息容量都会受到脉冲展宽的限制。正确错误 - 查题网

>> 高等继续教育 / 光纤通信

高等继续教育 / 光纤通信

正确率：100%

任何传输系统的信息容量都会受到脉冲展宽的限制。
正确
错误

积分

光纤通信

参考答案：

点击查看答案

佳题速递：

6、Tom Smith was a writer. He wrote detective stories _ _ 21 _ _ magazines. One evening he could not find an end for a story. He sat _ _ 22 _ _ his typewriter in front of him; but he had no ideas. So he decided to go to the cinema. When he came back, he saw that he had had a visitor. Someone had broken into his flat. The man had had a drink, smoked several of Tom's cigarettes and had read his story. The visitor left Tom a note: I _ _ 23 _ _ your story and I don't think much of it. Please read my suggestions and then you can finish it. By the way, I am a thief. I am not going to steal _ _ 24 _ _ tonight. But if you become a successful writer, I will be back! Tom read his suggestions. Then he sat _ _ 25 _ _ and wrote the rest of the story. He is still not a successful writer, and he is waiting for his thief to return. Before he goes out in the evening, he always leaves a half - finished story near his typewriter.统考英语完型填空

元认知的实质是对认知活动的自我意识和（）。(A) 自我调节 (B) 自我认知 (C) 自我指导 (D) 自我学习教育心理学

T细胞上与细胞识别活化有关的CD分子医学免疫学

台儿庄战役是（）的重要组成部分 A、徐州会战 B、武汉会战 C、淞沪会战 D、忻口会战中国近现代史纲要

He was _ _ _ _ in his work and didn’t hear me come in. A、 critical B、 logical C、 typical D、 absorbed英语（二）

马克思主义认为，实践的构成有A.实践过程B.实践手段C.实践主体D.实践客体马克思主义基本原理概论