1)lower variation,负变差2)negative variation,负变差3)negative variation of signed measure,带号测度负变差4)geologic degrading,负变5)CNV,关联负变6)reason of negative boosting,负变原因7)negative shift,负变位8)plus-minus temperature,正负变温9)Nonnegative variable,非负变量10)negative mutant,负变株
用法例句
By designing the negative shift for the sprocket,its trajectory coincides with the theoretical one,and the meshing quality is improved.