micrometer

名词 micrometer:

1. caliper for measuring small distances
   同义词：micrometer gauge, micrometer caliper
2. a metric unit of length equal to one millionth of a meter
   同义词：micron

micrometer

n.（名词）
A device for measuring very small distances, objects, or angles, especially one based on the rotation of a finely threaded screw, as in relation to a microscope.
测微计，千分尺：用以测量非常小的距离，物体或角度的仪器，尤指显微镜上利用精细螺纹的螺杆的旋转进行测量的仪器

micrometer
micrometer 2

n.（名词）
A unit of length equal to one thousandth (0-3) of a millimeter or one millionth (0 -')of a meter.
微米：等于千分之一(0-3)毫米的长度单位或一米的百万分之一(0 -')