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【单选题】
通过改变载波信号的相位值来表示数字信号1、0的方法叫做A.
ASK
B.
FSK
C.
PSK
D.
ATM
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】单词拼写（共10小题：每小题1分，满分10分） 小题1:I think sunshine and fresh air are ________ (有益的) to your health. 小题2:The police ________ (怀疑) him of having taken the money. 小题3:Please close your eyes and__________(呼吸) c...
【单选题】Eradicate (v.) means ______ —In recent years, smallpox has been eradicated —the first time in history that humans have been able to wipe out a disease. —What makes so many people feel they must eradic...
A.
to reveal
B.
to regulate strictly
C.
to erase
【单选题】Eradicate (v.) means ______. —In recent years, smallpox has been eradicated —the first time in history that humans have been able to wipe out a disease. —What makes so many people feel they must eradi...
A.
to reveal
B.
to erase
C.
to regulate strictly
【简答题】添加分片需要使用什么命令?
【单选题】Eradicate (v.) means ______ —In recent years, smallpox has been eradicated—the first time in history that humans have been able to wipe out a disease. —What makes so many people feel they must eradica...
A.
to review
B.
to erase
C.
to regulate strictly
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