waist-level viewing finder
相关英语词汇推荐
- checking
- spatially bound function
- time-resolved interference spectroscopy
- laser
- beamsplitting blocks
- collisionless multiple-photon laser excitation
- self-sagging
- pseudocontinuum
- plastic-base mirror
- tracking laser radar
- transit-time lidar velocimeter
- Acoustooptic Bragg diffraction
- diffuse reflectance light
- spherical aberration
- Sonnar lens
- optical second harmonic generation
- Infrared spectroscopy
- astro-compass
- metal lens
- aberration blur circle