题目内容
(请给出正确答案)
[主观题]
What does AMR stand for?()
A. Audio Modem Riser
B. Audio Modem Rectifier
C. Audio Multiplication Rectifier
D. Audio Modern Riser
答案
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A. Audio Modem Riser
B. Audio Modem Rectifier
C. Audio Multiplication Rectifier
D. Audio Modern Riser