[音频]
A. She will type his essay later.
B. She won’t type his essay.
C. She hasn’t typed his essay yet.
D. She will finish typing his essay soon.
[音频]
A. In a bar.
B. At Mr. Brown’s office.
C. In a hotel.
D. At the front desk of a company.
下列RRU中哪个属于D频段RRU？
A. RRU3151e-fae
B. RRU3253
C. RRU3162-fa
D. RRU3158e-fa
LTE产品DBS3900采用模块化架构，由基带处理模块BBU和射频拉选模块RRU 2大部分组成，二者之间采用CPRI接口，通过光纤相连接。
A. 对
B. 错
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