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