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【判断题】
GSM频率规划的7×3复用的意思是7个基站，每个基站3个扇区组成一个频率复用簇。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】在三投影面体系中,按直线与投影面之间的相对位置不同可分为 、 和 。
【简答题】自激振荡（Sustained oscillation）
【单选题】How should we understand the process of oscillation?
A.
Cosmic rays are used to produce muon neutrinos.
B.
Muon neutrinos went missing during experiments.
C.
Cosmic rays hit the upper atmosphere.
D.
One flavor of neutrinos is changed into another one.
【判断题】A mass m hanging on a spring oscillates vertically. If the equilibrium point of the oscillation is a distance dbelow the relaxed length of the spring and if the amplitude of the oscillation is A. The ...
A.
正确
B.
错误
【单选题】A mass suspended from a spring is oscillating up and down as indicated. Consider two possibilities: (i) at some point during the oscillation the mass has zero velocity but is accelerating (positively ...
A.
Both occur sometime during the oscillation.
B.
Neither occurs during the oscillation.
C.
Only (i) occurs.
D.
Only (ii) occurs.
【简答题】这个故事唤起了我对在巴黎的那段往事的回忆。(evoke)
【简答题】If the functional curve of VELOCITY in an oscillation is shown as figure, then the amplitude of oscillation isA = __________________cm.【图片】
【单选题】In the diurnal type of tidal oscillation, the alternate rise and fall of sea level, a single high water and a single low water occur ______ tidal day.
A.
each
B.
each of
C.
each of the
D.
of each
【单选题】判定表由以下几个方面的内容组成( )
A.
条件、决策规则和应采取的行动
B.
决策问题、决策规则、判断方法
C.
环境描述、判断方法、判断规则
D.
方案序号、判断规则
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