【化】 non-standard chemical machinery
blame; evildoing; have to; non-; not; wrong
【计】 negate; NOT; not that
【医】 non-
criteria; level; mark; measure; normal; par; rule; standard; criterion
【计】 etalon; normal; STD
【化】 standards
【医】 norm; normo-; rubric; standard
【经】 denominator; norm; standard
【化】 chemical(engineering)equipment