信号在一个周期内是奇函数时： 只有bn和直流,an=0
查看答案
偶谐函数只含有直流和偶次谐波分量
A. 对
B. 错
Read the text and choose the best answer:What kind of TV program is this?
A. Drama show
B. Comedy show.
C. Reality show.
What is the main issue being focused on?
A. How to dress for interview.
B. How to get a job with a good salary.
C. How to answer difficult job interview questions.
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