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一根半径为【图片】的无限长载流直导体，导体上有一半径为【图片】的圆柱形空腔，其轴与直导体的轴平行，两轴相距为【图片】，其横截面如图所示，当导体中沿轴向通有均匀分布的电流强度为【图片】的电流（如图阴影部分）。试求空腔中【图片】的磁感强度的大小等于________【图片】T.(已知：【图片】,【图片】，【图片】)（答案保留到整数位，如：1）【图片】
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【单选题】What is the essence in the definition of the American Dream？
A.
Achieving success through hard work and having the potential to lead a happy ， successful life
B.
Becoming extremely wealthy in finance and spirit
C.
Seeking freedom, individuality and inner peace
D.
Struggling to make a living and entering higher class
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【单选题】If an Chinese construction company built a road in Pakistan, this activity would be
A.
excluded from China GNP.
B.
fully included in China GDP.
C.
included in China GNP only for that portion that was attributable to Chinese capital and labor.
D.
included in China GDP but not in China GNP.
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【简答题】A Chinese company concluded an export transaction with a foreign company under CIF term. If there are no specific stipulations concerning the insurance, the Chinese exporter shall effect______.A. W. P...
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【单选题】第九章 当被审计单位管理层具有高估利润、粉饰财务状况的动机时,注册会计师主要关注的是被审计单位( )。
A.
高估费用，高估应付账款
B.
低估费用，低估应付账款
C.
低估费用，高估应付账款
D.
高估费用，低估应付账款
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【简答题】IEEE802.10BASE-T以太网,表示传输速率为___、___传输、使用双绞线的以太网:
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【简答题】What is the essence of literature search?
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【判断题】筛检可以确诊病人与非病人
A.
正确
B.
错误
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【简答题】An original export offer by a Chinese company (let ’ s say “ Company A ” ) is U.S.D 30 per dozen CIFC2 London,now the other party requests Company A to quote CIFC5. By how much shall the income for Co...
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【单选题】A Chinese company concluded an export transaction with a foreign company under CIF term. If there are no specific stipulations concerning the insurance, the Chinese exporter shall effect________.
A.
W. P. A.
B.
F.P.A
C.
A. R.
D.
A.R. and W.R
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【单选题】According to the text, what is the essence of a good essay?
A.
The essence of a good essay is that it is proper and respectable.
B.
The essence of a good essay is that it can move the readers.
C.
The essence of a good essay is that it should be praised by the teacher.
D.
The essence of a good essay is that it follows all the rules of a formal composition.
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相关题目：
【单选题】What is the essence in the definition of the American Dream？
A.
Achieving success through hard work and having the potential to lead a happy ， successful life
B.
Becoming extremely wealthy in finance and spirit
C.
Seeking freedom, individuality and inner peace
D.
Struggling to make a living and entering higher class
查看完整题目与答案
【单选题】If an Chinese construction company built a road in Pakistan, this activity would be
A.
excluded from China GNP.
B.
fully included in China GDP.
C.
included in China GNP only for that portion that was attributable to Chinese capital and labor.
D.
included in China GDP but not in China GNP.
查看完整题目与答案
【简答题】A Chinese company concluded an export transaction with a foreign company under CIF term. If there are no specific stipulations concerning the insurance, the Chinese exporter shall effect______.A. W. P...
查看完整题目与答案
【单选题】第九章 当被审计单位管理层具有高估利润、粉饰财务状况的动机时,注册会计师主要关注的是被审计单位( )。
A.
高估费用，高估应付账款
B.
低估费用，低估应付账款
C.
低估费用，高估应付账款
D.
高估费用，低估应付账款
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【简答题】IEEE802.10BASE-T以太网,表示传输速率为___、___传输、使用双绞线的以太网:
查看完整题目与答案
【简答题】What is the essence of literature search?
查看完整题目与答案
【判断题】筛检可以确诊病人与非病人
A.
正确
B.
错误
查看完整题目与答案
【简答题】An original export offer by a Chinese company (let ’ s say “ Company A ” ) is U.S.D 30 per dozen CIFC2 London,now the other party requests Company A to quote CIFC5. By how much shall the income for Co...
查看完整题目与答案
【单选题】A Chinese company concluded an export transaction with a foreign company under CIF term. If there are no specific stipulations concerning the insurance, the Chinese exporter shall effect________.
A.
W. P. A.
B.
F.P.A
C.
A. R.
D.
A.R. and W.R
查看完整题目与答案
【单选题】According to the text, what is the essence of a good essay?
A.
The essence of a good essay is that it is proper and respectable.
B.
The essence of a good essay is that it can move the readers.
C.
The essence of a good essay is that it should be praised by the teacher.
D.
The essence of a good essay is that it follows all the rules of a formal composition.
查看完整题目与答案