密耳长度单位,等于一英寸的千分之一(10-3)(0。0254毫米),如用来标明电线的直径或按页出售的材料的厚度 A unit of length equal to one thousandth(10-3) of an inch(0.0254 millimeter), used, for example, to specify the diameter of wire or the thickness of materials sold in sheets.
微秒千分之一(10-3)秒 One thousandth(10-3) of a second.
千分的构成千分之一的 Consisting of a thousandth.
毫克质量单位,等于千分之一(10-3)克 A unit of mass equal to one thousandth(10-3) of a gram.