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【单选题】
在分界面上，透射波电场强度与入射波电场强度之比称为（）
A.
反射系数
B.
透射系数
C.
本征阻抗
D.
集肤深度
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参考答案：
举一反三
【单选题】在图示梁上作用一力偶，其力偶矩为Me。则支座A、B的约束力满足条件（）。
A.
A
B.
B
C.
C
D.
D
查看完整题目与答案
【多选题】以下所列属于汇总原始凭证的有
A.
科目汇总表
B.
限额领料单
C.
工资结算汇总表
D.
收料凭证汇总表
E.
汇总付款凭证
查看完整题目与答案
【单选题】中国古代文化中的“仁”的中心思想是（ ）。
A.
爱人
B.
人心
C.
诚信
D.
谦让
查看完整题目与答案
【单选题】【2012-37】某技术方案的净现金流量如下表。则该方案的静态投资回收期为( )年。 计算期(年) 0 1 2 3 4 5 6 净现金流量(万元) - -1500 400 400 400 400 400
A.
3.25
B.
3.75
C.
4.25
D.
4.75
查看完整题目与答案
【单选题】传统信息资源检索技术中常用的布尔逻辑运算符中不包括()。
A.
或
B.
与
C.
非
D.
异或
查看完整题目与答案
【判断题】自由空间中,若收发两点间的距离增加一倍,则电波的传播损耗6dB。
A.
正确
B.
错误
查看完整题目与答案
【单选题】It seems that manufacturers will remain reluctant to make improvements unless______.
A.
they can do so at a very low cost
B.
they find their machines hard to operate
C.
they have difficulty selling their products
D.
they receive a lot of complains about their machines
查看完整题目与答案
【单选题】'인백지기천지(人百之己千之)'라는 말이 있다. 이 말은 '다른 사람들이 백을 노력할 때 자신은 천을 노력한다'는 뜻으로 신라시대 유명한 작가가 남긴 말이다. 그 작가의 이름은?
A.
원효
B.
최치원
C.
이규보
D.
박지원
查看完整题目与答案
【单选题】— How do the shops make money if they sell at such low prices? — Manufacturers, it seems, are willing to bring down prices ________ big volume purchases. [     ]
A.
under the name of
B.
on behalf of
C.
in return for
D.
in preparation for
查看完整题目与答案
【单选题】It seems that manufacturers will remain reluctant to make improvements unless______.
A.
they can do so at a very low cost
B.
they find their machines hard to operate
C.
they have difficulty selling their products
D.
they receive a lot of complaints about their machines
查看完整题目与答案
相关题目：
【单选题】在图示梁上作用一力偶，其力偶矩为Me。则支座A、B的约束力满足条件（）。
A.
A
B.
B
C.
C
D.
D
查看完整题目与答案
【多选题】以下所列属于汇总原始凭证的有
A.
科目汇总表
B.
限额领料单
C.
工资结算汇总表
D.
收料凭证汇总表
E.
汇总付款凭证
查看完整题目与答案
【单选题】中国古代文化中的“仁”的中心思想是（ ）。
A.
爱人
B.
人心
C.
诚信
D.
谦让
查看完整题目与答案
【单选题】【2012-37】某技术方案的净现金流量如下表。则该方案的静态投资回收期为( )年。 计算期(年) 0 1 2 3 4 5 6 净现金流量(万元) - -1500 400 400 400 400 400
A.
3.25
B.
3.75
C.
4.25
D.
4.75
查看完整题目与答案
【单选题】传统信息资源检索技术中常用的布尔逻辑运算符中不包括()。
A.
或
B.
与
C.
非
D.
异或
查看完整题目与答案
【判断题】自由空间中,若收发两点间的距离增加一倍,则电波的传播损耗6dB。
A.
正确
B.
错误
查看完整题目与答案
【单选题】It seems that manufacturers will remain reluctant to make improvements unless______.
A.
they can do so at a very low cost
B.
they find their machines hard to operate
C.
they have difficulty selling their products
D.
they receive a lot of complains about their machines
查看完整题目与答案
【单选题】'인백지기천지(人百之己千之)'라는 말이 있다. 이 말은 '다른 사람들이 백을 노력할 때 자신은 천을 노력한다'는 뜻으로 신라시대 유명한 작가가 남긴 말이다. 그 작가의 이름은?
A.
원효
B.
최치원
C.
이규보
D.
박지원
查看完整题目与答案
【单选题】— How do the shops make money if they sell at such low prices? — Manufacturers, it seems, are willing to bring down prices ________ big volume purchases. [     ]
A.
under the name of
B.
on behalf of
C.
in return for
D.
in preparation for
查看完整题目与答案
【单选题】It seems that manufacturers will remain reluctant to make improvements unless______.
A.
they can do so at a very low cost
B.
they find their machines hard to operate
C.
they have difficulty selling their products
D.
they receive a lot of complaints about their machines
查看完整题目与答案
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