单项选择题
RFID是下面哪个英文的缩写（）
A.RadiofrequencyIdentification
B.RapidfrequencyIdentification
C.RadiofrequencyInternetDevice
D.RapidfrequencyInternetDevice
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单项选择题
A.RadiofrequencyIdentification
B.RapidfrequencyIdentification
C.RadiofrequencyInternetDevice
D.RapidfrequencyInternetDevice
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