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【单选题】
在分压式偏置放大电路中，除去旁路电容CE，下列说法正确的是（ ）。A.
输出电阻不变
B.
静态工作改变
C.
电压放大倍数增大
D.
输入电阻减小
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【简答题】请将下列英文求职信中的常用句型的中文翻译逐一写出: 1. I am applying for the position of ... at... (company)advertised in... 2. I feel I have the necessary qualities, skills and experience for the position as... 3. As you will...
【简答题】简述石灰稳定土强度形成原理 ?
【简答题】MRI of the chest gives detailed pictures of structures within the _________, including the mediastinum, chest wall, pleura, heart and vessels, from almost any angle. You should also let the radiologis...
【简答题】请将下列句子进行排序: 1. If you have any questions, please let us know. 2. I am pleased to tell you that we are able to provide you with 300 GL980 heat exchangers and 1,000 XCO-450 air dryers. 3. Thank you! 4. ...
【多选题】下列关于跳线的选用原则,正确的是:( )
A.
每个信息点需要一条跳线
B.
跳线的长度通常为2～3m，最长不超过5m
C.
如果采用6类或7类布线，从节约投资的角度看，可以手工制作跳线
D.
若采用多模光纤光缆，光纤跳线的必须采用多模光纤。
【判断题】If you have enclosed any documents along with the letter, you indicate this by typing “Enclosure” below the signature.
A.
正确
B.
错误
【判断题】If you have enclosed any documents along with your business letter, you indicate this by typing “Enclosure” below the signature.
A.
正确
B.
错误
【判断题】If you have enclosed any documents along with the letter, you indicate this by typing “Enclosure” below the signature.
A.
正确
B.
错误
【简答题】Sentences arrangement. 1. If you have any questions, please let us know. 2. I am pleased to tell you that we are able to provide you with 300 GL980 heat exchangers and 1,000 XCO-450 air dryers. 3. Tha...
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