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【单选题】
在宽带为12KHz的信道上,如果8种不同的物理状态来表示数据,若信噪比S/N为1023,按香农定理,最大限制的波特率(码元速率)为()。A.
8波特
B.
12波特
C.
16波特
D.
40波特
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【单选题】What Gestalt law predicts that two stimuli moving together will be perceived as one object?
A.
Symmetry
B.
Common Fate
C.
Proximity
D.
Figure Ground
【单选题】In ______, the only element that can be deleted or removed is the one that was inserted most recently.
A.
a line
B.
a queue
C.
an array
D.
a stack
【单选题】Laughter There is an old saying in English: 'Laughter is the best medicine'. Until recently, few people took the saying very seriously. Now, however, doctors have begun to investigate laughter and the...
A.
is good for one's health.
B.
is related to some illness.
C.
has been investigated long since.
D.
has no effect on the body.
【单选题】Laughter There is an old saying in English: 'Laughter is the best medicine'. Until recently, few people took the saying very seriously. Now, however, doctors have begun to investigate laughter and the...
A.
is good for one's health.
B.
is related to some illness.
C.
has been investigated long since.
D.
has no effect on the body.
【简答题】A．It's too late to join the soccer team B．The mans grades have begun to improve recently C．The man might not have enough time to play soccer D．The man should continue to improve his soccer skills
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