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【单选题】
GSM 频率规划的4×3复用方式,4和3的意思是( )。A.
3个基站，每个基站4个扇区组成一个频率复用簇
B.
7个基站扇区组成一个频率复用簇
C.
4个基站，每个基站3个扇区组成一个频率复用簇
D.
12个基站小区组成一个频率复用簇
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反馈参考答案：
举一反三
【简答题】在CD封面制作中,运用了哪些滤镜?
【单选题】I met him on the Internet and we chatted for several months. Every time I suggested we meet in person，he would come up with an excuse. I thought it was strange-but he told me that he had not gotten ov...
A.
the man was a single person in reality
B.
the woman was the man's only girlfriend
C.
the man had too many girlfriends on the net
D.
the woman had countless online boyfriends
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