题目内容

施工成本分析中，假定众多因素中的一个发生了变化，而其他因素不变，然后逐个替换，分别比较其计算结果，以确定各个因素的变化对成本的影响程度。这种施工成本分析方法称为（）。

A. 差额计算法
B. 构成比率法
C. 因素分析法
D. 比较法

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更多问题

A customer would like to convert their existing IBM System Storage DS8100 to a DS8700 to gain more capacity. During the TDA review the impact on the running production environment during conversion is discussed. Which of the following must be considered?（）

A. DS8000 model conversions are generally non-disruptive
B. a model conversion from DS8100 to DS8700 is disruptive
C. the DS8100 base frame needs to be sent back to the factory for upgrade
D. during model conversion the logical configuration can be kept, but the system must be rebooted

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