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【单选题】
Pro/e 中装配图是以什么格式进行保存的:( )
A.
#.asm
B.
#.prt
C.
#.sec
D.
#.drw
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参考答案：
举一反三
【判断题】一个平面低副具有两个自由度,一个约束。
A.
正确
B.
错误
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【简答题】在平面机构中,一个低副能约束 个自由度?一个高副有 个自由度?(填写阿拉伯数字)
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【简答题】三级管工作在放大区时,发射结 偏置,集电结 偏置。
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【单选题】根据以下内容回答题：Each nation has its own peculiar character which distinguishes it from others．But the peo-pies of the world have more points in common than points in which they differ．One type of per-son th...
A.
each nation is peculiar enough to enable us to distinguish it from others
B.
the peoples of the world are as alike as they are different
C.
the peoples of the world have more similarities than differences
D.
those who do．more than is strictly necessary are common in every country
查看完整题目与答案
【单选题】根据以下内容回答题： Each nation has its own peculiar character which distinguishes it from others．But the peo-pies of the world have more points in common than points in which they differ．One type of per-son t...
A.
each nation is peculiar enough to enable us to distinguish it from others
B.
the peoples of the world are as alike as they are different
C.
the peoples of the world have more similarities than differences
D.
those who do．more than is strictly necessary are common in every country
查看完整题目与答案
【简答题】平面低副具有 个约束, 个自由度。
查看完整题目与答案
【简答题】水的折射率20°C时为( ),25°C时为( )。
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【单选题】低副有 个自由度 个约束
A.
2 1
B.
1 2
C.
2 2
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【多选题】Which three statements are true regarding single-row functions？（）
A.
They can accept only one argument.
B.
They can be nested up to only two levels.
C.
They can return multiple values of more than one data type.
D.
They can be used in SELECT， WHERE， and ORDER BY clauses.
E.
They can modify the data type of the argument that is referenced.
F.
They can accept a column name， expression， variable name， or a user-supplied constant as arguments.
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【单选题】任何构件未受约束前,都有 个自由度。引入一个低副,限制 个自由度,引入一个高副,限制 个自由度。
A.
3，1，2
B.
3，2，1
C.
1，3，2
D.
1，2，3
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相关题目：
【判断题】一个平面低副具有两个自由度,一个约束。
A.
正确
B.
错误
查看完整题目与答案
【简答题】在平面机构中,一个低副能约束 个自由度?一个高副有 个自由度?(填写阿拉伯数字)
查看完整题目与答案
【简答题】三级管工作在放大区时,发射结 偏置,集电结 偏置。
查看完整题目与答案
【单选题】根据以下内容回答题：Each nation has its own peculiar character which distinguishes it from others．But the peo-pies of the world have more points in common than points in which they differ．One type of per-son th...
A.
each nation is peculiar enough to enable us to distinguish it from others
B.
the peoples of the world are as alike as they are different
C.
the peoples of the world have more similarities than differences
D.
those who do．more than is strictly necessary are common in every country
查看完整题目与答案
【单选题】根据以下内容回答题： Each nation has its own peculiar character which distinguishes it from others．But the peo-pies of the world have more points in common than points in which they differ．One type of per-son t...
A.
each nation is peculiar enough to enable us to distinguish it from others
B.
the peoples of the world are as alike as they are different
C.
the peoples of the world have more similarities than differences
D.
those who do．more than is strictly necessary are common in every country
查看完整题目与答案
【简答题】平面低副具有 个约束, 个自由度。
查看完整题目与答案
【简答题】水的折射率20°C时为( ),25°C时为( )。
查看完整题目与答案
【单选题】低副有 个自由度 个约束
A.
2 1
B.
1 2
C.
2 2
查看完整题目与答案
【多选题】Which three statements are true regarding single-row functions？（）
A.
They can accept only one argument.
B.
They can be nested up to only two levels.
C.
They can return multiple values of more than one data type.
D.
They can be used in SELECT， WHERE， and ORDER BY clauses.
E.
They can modify the data type of the argument that is referenced.
F.
They can accept a column name， expression， variable name， or a user-supplied constant as arguments.
查看完整题目与答案
【单选题】任何构件未受约束前,都有 个自由度。引入一个低副,限制 个自由度,引入一个高副,限制 个自由度。
A.
3，1，2
B.
3，2，1
C.
1，3，2
D.
1，2，3
查看完整题目与答案
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