“毫微米”用英语怎么说？

对于紫外区通常用毫微米这一名词.For ultraviolet, nanometer is a preferred term.肌纤维膜厚约7.5毫微米,同包裹着其它细胞的壁一样, 是一层单位膜.The sarcolemma, about 7.5 nm thick , is a unit - membrane like that investing other cells.毫微米十亿分之一米 ( 10 - 9 )One billionth...