用公式QSMm=QS(1±XQS)估算与相对误差不确定度相应的带有误差限的输沙率的最大量值在“±”选择时取“-”号。

用公式QSMm=QS(1±XQS)估算与相对误差不确定度相应的带有误差限的输沙率的最大量值在“±”选择时取“-”号。


相关考题:

下列关于Sub过程的叙述正确的是A.一个Sub过程必须有一个Exie Sub语句B.一个Sub过程必须有一个Enb Sub语句C.在Sub过程中可以定义一个Function过程D.可以用Goto语句退出Sub过程

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s=”this is the mainstring”,sub=”string”,strindex(s,sub)是()

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在Sub过程中,可以用Return语句退出Sub过程。

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单选题正态分布时,算术平均数、中位数、众数的关系为()Amsub0/sub<msube/sub<(xBmsub0/sub=msube/sub=(xCmsub0/sub>msube/sub>(xDmsube/sub<msub0/sub<(x

多选题设up为标准正态分布的p分位数,则有(  )。Ausub0.49/sub>0 Busub0.3/sub<usub0.4 /subCusub0.5/sub=0 Dusub0.23/sub=-usub0.77 /subEusub0.5/sub=-usub0.5/sub

单选题( )被称为广义货币。ApMsub0/sub/pBpMsub1/sub/pCpMsub2/sub/pDpMsub3/sub/p

填空题s=”this is the mainstring”,sub=”string”,strindex(s,sub)是()