LTE系统中上行支持哪些调制方式()
A.QPSK,
B.16QAM,
C.FSK,
D.64QAM
参考答案:A, B, D
The pills him.If only he had taken them regularly.
A.could help
B.may help
C.must have helped
D.might have helped
有关日本疆域的说法,错误的是( )
A.与其他国家有漫长的陆上国界
B.ri本位置对造船业、海上运输十分有利
C.海岸线曲折,多优良港湾
D.ri本位于亚洲东部