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【简答题】
. 信噪比的错误说法是 ( ) A. 指信号与噪声的比值 B. 指噪声与信号的比值 C. 指信息量的单位 D. 亮度响应 E. 杂波强度 A. . 信噪比的错误说法是 (     ) A. 指信号与噪声的比值 B. . 信噪比的错误说法是 (     ) B. 指噪声与信号的比值 C. . 信噪比的错误说法是 (     ) C. 指信息量的单位 D. . 信噪比的错误说法是 (     ) D. 亮度响应 E. . 信噪比的错误说法是 (     ) E. 杂波强度
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参考答案:
举一反三
【判断题】体温调节属于正反馈调节
A.
正确
B.
错误
【单选题】Excavation of the ancient city of Kourion on the island of Cyprus revealed a pattern of debris and collapsed buildings typical of towns devastated by earthquakes. Archaeologists have hypothesized that...
A.
Bronze ceremonial drinking vessels that are often found in graves dating from years preceding and following A. D. 365 were also found in several graves near Kourion.
B.
No coins minted after A. D. 365 were found in Kourion, but coins minted before that year were found in abundance.
C.
Most modern histories of Cyprus mention that an earthquake occurred near the island in A.D. 365.
D.
Several small statues carved in styles current in Cyprus in the century between A. D. 300 and 400 were found in Kourion.
E.
Stone inscriptions in a form. of the Greek alphabet that was definitely used in Cyprus after A. D. 365 were found in Kourion.
【单选题】从___这个角度来看,新闻违背了一个古老的谚语:整体永远比各个部分的和要大。
A.
信息戏剧化
B.
信息片断化
C.
信息个人化
D.
以上都是
【单选题】下列生理过程中,属于正反馈调节的是
A.
体温调节
B.
排尿反射
C.
肺牵张反射
D.
血糖浓度的调节
【简答题】差分码“1010011”所对应的原始码是 。
【单选题】下述生理过程中,属于正反馈调节机制的是
A.
减压反射
B.
肾血流量的自身调节
C.
腱反射
D.
体温调节
E.
排尿反射
【判断题】体温调节属于正反馈。( )
A.
正确
B.
错误
【简答题】Cyprus公司下年度的股利预计为4美元,且预计在未来3年中其股利增长率为15%。之后,Cyprus公司的股利增长率将等于行业平均水平5%。如果对其股票所要求的收益率为18%,那么其股票当前价值为多少?
【单选题】体温调节属于什么反馈机制?
A.
正反馈
B.
前馈
C.
负反馈
D.
无反馈
【判断题】人体的体温调节属于负反馈调节。
A.
正确
B.
错误
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