apertometer.
/ap-er-tom-i-ter/US // ˌæp ərˈtɒm ɪ tər //
孔径仪,光圈仪,光度计,光圈计
Definitions
n.noun · 名词
- 1.
Optics.
- ›an instrument for measuring the angular and numerical aperture of the objective lens of a microscope.
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孔径仪,光圈仪,光度计,光圈计
Optics.