评价人变差

free variation───自由变异；[数]自由变分

grid variation───n.格网偏差

wide variation───广泛的变异

appraisal drilling───评价钻井；评价钻探

appreciation───n.欣赏，鉴别；增值；感谢

appropriation───n.拨款；挪用

approve a motion───批准动议

endless variation───无休止的变化

free variations───自由变异；[数]自由变分

variation in measurements obtained with one measurement instrument when used several times by one appraiser while measuring the identical characteristic on the same part.───测量重复性 当同一位观察者使用同一测量仪器对同一部件的某一可识别特征进行多次测量，所得结果的变异。

Repeatability is the variation in measurements obtained with one measurement instrument when used several times by one appraiser while measuring the identical characteristic on the same part.───重复性是由一个评价人，采用一种测量仪器，多次测量同一零件的同一特性时获得的测量值变差。