抽样平均误差一定时，概率保证程度越大，推断的准确程度越高。
查看答案
相位鉴频器和斜鉴频器都有包络检波器存在。
A. 对
B. 错
What kind of sound can you hear in Jennifer Higdon's concerto"On a Wire"?
A. Soothing
Bizaar
C. Exciting
D. Romantic
What's the theme in Jennifer Higdon's work"Blue Cathedral"?
A. The death of her brother
B. The blue cathedral
C. The people who cross our paths in a lifetime
D. The people who influenced her lifetime
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