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问题 单项选择题

表示测量值与真值的一致程度的是（）

A.精密度

B.准确度

C.系统误差

D.允许误差

E.随机误差

答案

参考答案：B

解析：准确度是测量结果中系统误差与随机误差的综合，表示测量结果与真值的一致程度。

选择题

.圆周上有八个等分点,以这些分点为顶点作三角形,则非直角的三角形共有(     )

A．16个

B．24个

C．32个

D．48个
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单项选择题

A project management team wants to procure some customized products which are available in identical grade and quality from many vendors．What should be included in the procurement package to ensure that their offers will be comparable ？（）

A．A statement of work describing the needs of the project in sufficient detail to enable vendors to make suitable proposal

B．A statement of work specifying attributes and metrics of the requested deliverables in detal to allow vendors Submission of bid

C．The approved project scope statement，the WBS which should be broken down to work package level and the WBS dictionar

D．The risk management plan and the reports from those risk management reviews which have been made so fa
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