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【判断题】
对一个低通带限信号进行均匀理想采样,当采样频率小于等于信号最高频率的两倍时,采样后的信号可以精确地重建原信号。
A.
正确
B.
错误
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举一反三
【单选题】What were the laws that Southern governments enacted after the Civil War to restrict the economic freedom of African Americans?
A.
Black codes
B.
Jim Crow laws
C.
Slave codes
D.
Segregation acts
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【简答题】B. foreign imports, American, is , to restrict, the, passing laws, government __________________________________________________________
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【简答题】你的基本风压______?
查看完整题目与答案
【简答题】请回答人体测量数据的运用准则有哪些,并举例说明。
查看完整题目与答案
【简答题】材料一某上市公司1月份至9月份归属于上市公司股东的净利润为4.34亿元，前三季度业绩仅实现个位数增长。该公司不仅仅自己的股价下跌，截至2013年9月30日，公司投资的10只股票竟然有8只亏本。 材料二人民银行重庆营管部发布的《2013年三季度重庆市货币信贷运行情况》显示，尽管货币紧缩，通胀压力加大，重庆市民财富的增加速度并没降低，重庆居民年内存款余额有望破万亿。业内人士分析认为，居民对于股票投资...
查看完整题目与答案
【单选题】Why didn't the state and local air pollution laws achieve the end of reducing pollution?
A.
Industries tend to disregard the laws because they don't want to spend extra money on the processing of industrial wastes.
B.
Although measures are taken to send industrial pollutants higher up the atmosphere, the amount of industrial pollutants remains the same.
C.
The smokestacks built to release pollutants are not tall enough.
D.
Only a small number of industries are equipped to live up to the new standards of the air pollution laws.
查看完整题目与答案
【单选题】赴宴的时间安排惯例是准时晚到制,晚到适宜的时间一般是
A.
5-10 分钟
B.
10-15 分钟
C.
15-20 分钟
D.
25 分钟以上
E.
以上都不对
查看完整题目与答案
【单选题】Which organization in the United States demonstrated strongly against any laws that might restrict gun ownership?
A.
The NRA (National Rifle Association).
B.
The Supreme Court.
C.
The Asian Society.
D.
The Motion Picture Association.
查看完整题目与答案
【单选题】According to the new traffic laws, people _______ drive after drinking wine or beer. [     ]
A.
wouldn't
B.
couldn't
C.
needn't
D.
mustn't
查看完整题目与答案
【单选题】Laws that restrict the smoking of cigarettes in public places are examples of government intervention that is intended to reduce
A.
efficiency.
B.
equality.
C.
externalities.
D.
productivity.
查看完整题目与答案
相关题目：
【单选题】What were the laws that Southern governments enacted after the Civil War to restrict the economic freedom of African Americans?
A.
Black codes
B.
Jim Crow laws
C.
Slave codes
D.
Segregation acts
查看完整题目与答案
【简答题】B. foreign imports, American, is , to restrict, the, passing laws, government __________________________________________________________
查看完整题目与答案
【简答题】你的基本风压______?
查看完整题目与答案
【简答题】请回答人体测量数据的运用准则有哪些,并举例说明。
查看完整题目与答案
【简答题】材料一某上市公司1月份至9月份归属于上市公司股东的净利润为4.34亿元，前三季度业绩仅实现个位数增长。该公司不仅仅自己的股价下跌，截至2013年9月30日，公司投资的10只股票竟然有8只亏本。 材料二人民银行重庆营管部发布的《2013年三季度重庆市货币信贷运行情况》显示，尽管货币紧缩，通胀压力加大，重庆市民财富的增加速度并没降低，重庆居民年内存款余额有望破万亿。业内人士分析认为，居民对于股票投资...
查看完整题目与答案
【单选题】Why didn't the state and local air pollution laws achieve the end of reducing pollution?
A.
Industries tend to disregard the laws because they don't want to spend extra money on the processing of industrial wastes.
B.
Although measures are taken to send industrial pollutants higher up the atmosphere, the amount of industrial pollutants remains the same.
C.
The smokestacks built to release pollutants are not tall enough.
D.
Only a small number of industries are equipped to live up to the new standards of the air pollution laws.
查看完整题目与答案
【单选题】赴宴的时间安排惯例是准时晚到制,晚到适宜的时间一般是
A.
5-10 分钟
B.
10-15 分钟
C.
15-20 分钟
D.
25 分钟以上
E.
以上都不对
查看完整题目与答案
【单选题】Which organization in the United States demonstrated strongly against any laws that might restrict gun ownership?
A.
The NRA (National Rifle Association).
B.
The Supreme Court.
C.
The Asian Society.
D.
The Motion Picture Association.
查看完整题目与答案
【单选题】According to the new traffic laws, people _______ drive after drinking wine or beer. [     ]
A.
wouldn't
B.
couldn't
C.
needn't
D.
mustn't
查看完整题目与答案
【单选题】Laws that restrict the smoking of cigarettes in public places are examples of government intervention that is intended to reduce
A.
efficiency.
B.
equality.
C.
externalities.
D.
productivity.
查看完整题目与答案