Communication and culture are inseparable and strongly connected.
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The sender must choose certain words or non-verbal methods to send an intentional message. The activity is called decoding.
A. 对
B. 错
The process of communication has nine components: sender, encoding, message, channel, noise, receiver, decoding, feedback and context.
A. 对
B. 错
晶体管工作在线性放大区的时通常使用()来求解电路的动态性能参数。
A. 直流通路
B. 交流通路
C. 微变等效电路
D. 图解法
射极偏置放大电路,引入电阻Re后,( )。
A. 电压放大倍数增大,输入电阻增大
B. 电压放大倍数减小,输入电阻减小
C. 电压放大倍数增大,输入电阻减小
D. 电压放大倍数减小,输入电阻增大