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【简答题】
审计产生和发展的客观条件有哪些?
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知识点:
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举一反三
【单选题】步进电机按U-UV-V-VW-W-WU的组合方式依次通电,称为( )运行方式。
A.
三相单三拍
B.
三相双三拍
C.
三相六拍
D.
三相双六拍
【简答题】将交流电流变换成单向脉动电流的过程叫( )。
【单选题】下列能正确定义二维字符型数组的是()
A.
char c[][]=new char[8,8];
B.
char c[8][8]=new char[][];
C.
char c[][]=new char[8][8];
D.
char c[8,8]=new char[][];
【判断题】觉醒程度的分类,按照不同的临床表现分为嗜睡、昏睡、昏迷三类。
A.
正确
B.
错误
【判断题】蜗杆传动通常用在减速装置中 。( )
A.
正确
B.
错误
【简答题】Two brothers worked together on a farm. One was married and had a large 51 . The other had no wife yet. Although they lived in different houses, they shared everything they got from their farm. One da...
【单选题】三相反应式步进电动机的转子总齿数Z 2 =40,如果定子绕组按WU→U→UV→V→VW→W→WU(六拍方式)通电时序通电时,一次通电循环之后,转子转过一个齿距,其步距角为( )。
A.
0.72°
B.
0.75°
C.
1.5°
D.
1.8°
【简答题】Two brothers worked together on a farm. One was married and had a large 41 .The other had no wife yet. Although they lived in different houses, they shared everything they got from their farm. One day...
【判断题】企业是市场经济活动的主要参加者
A.
正确
B.
错误
【判断题】氢能无毒,无色,无味,且热值高,产物只有水,因此无污染。
A.
正确
B.
错误
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