欲减小电路从信号源索取的电流,增大带负载能力,应在放大电路中引入()负反馈(填反馈组态)
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放大电路的级数越多,则引入的负反馈越强,电路的放大倍数也就越稳定。
A. 对
B. 错
Please fill in the blanks in the following sentences:Adjusting entries can be divided into _________ categories: Prepaid Expenses, _____________, Accrued Expenses, _____________ Revenues, and Unearned Revenues.
库函数rand()的功能是产生一个在0~32767之间的随机数。若要用此函数随机产生一个0~99.99(2位小数)之间的数,以下能实现此要求的表达式是______。
A. (rand()%10000)/100.0
B. (rand()%10000)/100
C. (rand()%9000+1000.0)/100.0
D. (rand()%100)/100.0