取样测定压实后土的干密度，符合设计要求的应不低于()
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在5G技术中，用于提升接入用户数的技术是()
AMassive MIMO
BSOMA
CMassive CA
D1mcTTI
SCG的主小区被称作 ()
APrimary cell
BMCG Secondary cell
CSCG Secondary cell
DPSCell
下面哪种子载波间隔是中国移动白皮书中规定必选()
A 15KHz
B 30KHz
C 60KHz
D 120KHz
The third paragraph best supports the statement that Peace Corps employees______.
A. act in contradiction to traditional views of economic rationality
B. are hired for a limited term of employment to prevent self-interest from setting in
C. are people who have no desire for self-interest
D. sacrifice their academic and work experience entirely just to join
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