判断题
集成运算放大器交流放大电路采用单电源供电时,运算放大器两个输入端的静态电位不能为零,运算放大器输出端必须接有输出负载
正确
错误
集成运算放大器交流放大电路采用单电源供电时,运算放大器两个输入端的静态电位不能为零,运算放大器输出端必须接有输出负载
正确
错误
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The set of choices the firm offers to its targeted market is known as the ( ).
The set of choices the firm offers to its targeted market is known as the ( ).
A.marketing mix
B.marketing concept
C.marketing strategy
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