nm.

汉语翻译

英语解释：

名词 nm.:

1. a metric unit of length equal to one billionth of a meter
   同义词：nanometer, nanometre, nm, millimicron, micromillimeter, micromillimetre
2. a state in southwestern United States on the Mexican border
   同义词：New Mexico, Land of Enchantment, NM