He went home after being(release) from the prison.
查看答案
His failure on the math exam(motivator) him to study harder.
His mother is (pride) of his success.
为了提高效率，功率放大电路不适合采用下面哪种电路？
A. 甲类放大
B. 乙类放大
C. 甲乙类放大
关于乙类双电源OCL互补对称功率放大电路，下面说法中错误的是
A. 静态时输出功率为零
B. 输出功率越大，管耗也越大
C. 输出电压越大，输出功率也越大
D. 存在交越失真现象
微信支付 
支付宝支付