单项选择题

结构基础考试一级,章节精选,工程科学基础

A.
B.
C.xdx
D.
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单项选择题
You are moving a Windows Communication Foundation (WCF) service into production. You need to be able to monitor the health of the servicE.You only want to enable all performance counter instances exposed by the ServiceModelService counter group. Which element should you add to the system.serviceModel section in the application configuration file?()A.<diagnostics performancecounters= ServiceOnly >B.<diagnostics performancecounters= Off wmiproviderenabled= true >C.<diagnostics performancecounters= All >D.<diagnostics wmiproviderenabled= true >
A.serviceModel
单项选择题
A.β是A的属于特征值0的特征向量B.α是A的属于特征值0的特征向量C.β是A的属于特征值3的特征向量D.α是A的属于特征值3的特征向量
A.β是A的属于特征值0的特征向量
B.α是A的属于特征值0的特征向量
C.β是A的属于特征值3的特征向量
D.α是A的属于特征值3的特征向量
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