Nancy: Have you heard about Dana? She is going to get married with Graham! Scott:______
A.You're kidding
B.Congratulations!
C.Is it a real thing?
D.Good luck!
第3题
A.根据GPRS/EDGE“信道”带宽和每户忙时带宽计算GPRS/EDGE话务量
B.根据PDCH平均信道速率及每PDCH的IP层速率计算PCH信道数量
C.根据话音业务用户数目及数据业务渗透率计算GPRS/EDGE用户数
D.根据ERLANG-B表推算GPRS/EDGE“信道”数量
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