macrometer

测远器, 测距仪, (光学)测距器

词形变化

macrometers 复数 macrometers

释义与例句

n.
  1. 1.

    An instrument for determining the size or distance of inaccessible objects by means of two reflectors on a common sextant

词源

From macro- + -meter.

来源：wiktionary