()是指在一条双绞电缆链路在,某侧的发送线对向同侧其他线对向同侧其他线对通过电磁感应造成的信号耦合,它是决定链路()的最重要的参数。
参考答案:近端串扰;传输能力
皮肤有环形红斑,抗“O”效价升高()
A.风湿性心包炎
B.结核性心包炎
C.化脓性心包炎
D.急性非特异性心包炎
E.肿瘤性心包炎
缺词填空。(10分)
China is a large country with a long h__小题1:__ . Our ancestors(祖先) created(创造) excellent cultures for us. Once China was the s__小题2:__ country in the world, especially in Tang Dynasty. But for more than one hundred years China has fallen behind other countries for some r__小题3:__. Other countries s__小题4:__ no respect(尊重) to our nation and even invaded(侵犯) China.
H__小题5:__. Chinese people are hard-working and peace-loving. Under the lead of the Communist Party of China. China is now the s__小题6:__ largest country in economy(经济) in the world. In the past 30 years, great changes have t__小题7:__ place in our country. Whenever people ask me a__小题8:__ my feeling of China. I can say proudly, “I’m proud of being a Chinese.” As s__小题9:__ , we should study hard to serve our country. The harder we study, the b__小题10:__ we can serve our country in the future.