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【单选题】
大部分传感器的输出是模拟信号,但通常无线传感器网络传输的是数字化数据,因此必须进行A.
模/数转换
B.
整型转换
C.
滤波转换
D.
智能转换
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举一反三
【单选题】Which of the following etiquette is considered not appropriate in British society?
A.
You need to stand up until the host or hostess invites you to sit down.
B.
You always need to pay for meals at restaurants no matter whether or not you are invited.
C.
You should not rest your elbows or hands on the table while being invited for dinner.
D.
You can arrive 10-15 minutes later than the time as suggested by the host or hostess.
【单选题】形式的公理化方法：即从一批公理、定义出发，通过逻辑推理，得到一系列结论的方法。这种形式的公理化方法在逻辑上的要求，就是满足( )。
A.
相容性、独立性和完全性
B.
精确性，一致性和完全性
C.
同步性，严格性和独立性
D.
精确性，独立性和完全性
【简答题】Etiquette to society is what apparel is to the individual. Without apparel men would go in shameful nudity which would surely lead to the corruption morals; and without etiquette society would be in a...
【简答题】三相异步电动机首尾端的判别方法有：[填空(1)]﹑[填空(2)]和[填空(3)]。
【简答题】判别三相异步电动机定子绕组首尾端的两种方法是什么?
【单选题】Why is etiquette important in today’s society?
A.
It protects the feelings of others.
B.
It makes communication clearer.
C.
It makes good first impressions.
D.
All of the three.
【简答题】如何用36V交流电源和灯泡判别三相异步电动机的首尾端?
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