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【单选题】
专利法所称实用新型，是指对产品的形状、构造或者其结合所提出的适于实用的新的___。A.
技术思想
B.
技术方案
C.
技术手段
D.
科学方法
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反馈参考答案：
举一反三
【简答题】千兆位以太网中采用帧扩展技术和帧突发技术是为解决（）CSMA/CD机理的约束。
【单选题】千兆位以太网中采用帧扩展技术和帧突发技术是为解决( )CSMA/CD机理的约束。
A.
其他三项都不是
B.
在半双工模式下和在全双工模式下
C.
在半双工模式下
D.
在全双工模式下
【单选题】千兆位以太网中采用帧扩展技术和帧突发技术是为解决( )CSMA/CD机理的约束。
A.
在半双工模式下和在全双工模式下
B.
在半双工模式下
C.
在全双工模式下
D.
其他三项都不是
【简答题】Translate into Chinese: The Silk Road Economic Belt and the 21 st Century Maritime Silk Road
【单选题】When was the Maritime Silk Road first formed?
A.
Qin and Han Dynasty.
B.
Tang Dynasty.
C.
Ming Dynasty.
D.
Qing Dynasty.
【单选题】What is a statistic when used as evidence in an argument?
A.
a brach of mathematics dealing with the collection, analysis, interpretation, and presentation of masses of numerical data
B.
a fact piece of data
C.
the science of collecting data
D.
none of the above
【判断题】BRI includes the building of a Silk Road Economic Belt as well as a Maritime Silk Road.
A.
正确
B.
错误
【多选题】The Maritime Silk Road was opened up because of ________.
A.
the pressure from foreign countries
B.
the ease of ocean transportation
C.
the tension on our western border
D.
the development of maritime technology
【多选题】When doing ANOVA, the test statistic F-ratio uses
A.
mean square for treatment (among) as the numerator.
B.
mean square for treatment (among) as the denominator.
C.
mean square for error as the numerator.
D.
mean square for error as the denominator.
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