微子的英文：
micron ;mikra ;mikron ;mikrons

Micron: Alternative term for Micrometre. A unit to denote the caliper of paper and board.
微米:英文是百万分之一米的另一写法。表示纸或纸板厚度的单位。

Strip roughness must not exceed 40 microinch (1.0 micron) in order to achieve these minimum coat weights.
板面粗糙度不能超过40微寸(1.0微米),以达到最低镀层重量。

Each microcapsule is about 40 microns in size (that’ s a little less than half the thickness of a human hair ).
每个显微小囊大小约为40微米(不到人发粗细的一半)。