apertometer

数值孔径计, 数值口径计, 物镜口径计, 开角机

词形变化

apertometers 复数 apertometers

释义与例句

n.
  1. 1.

    An instrument designed to measure the numerical aperture of a lens or objective of a microscope.

    工程 物理

词源

From aperture + -o- + -meter.

来源：wiktionary