共发射极放大电路的输出信号里，有直流成分，也有交流成分。

稳定性分析计算方法有哪几种？（）

未知题型稳定性分析计算方法有哪几种？（）

肝硬化患者血清蛋白各电泳区带常发生的变化是（）

未知题型肝硬化患者血清蛋白各电泳区带常发生的变化是（）

A counterclaim (also referred to as “counterargument”) ...

单项选择题A counterclaim (also referred to as “counterargument”) is a statement that has been or might be made by someone who disagrees with your claim.
A、正确
B、错误