计算机硬件 存储设备 释文 non-return-to-zero change on one, NRZ1 逢1变化不归零制
- focal area
- focal axis
- focal chord
- focal circle
- focal conic
- focal conic defect
- focal conic texture
- focal cubic
- focal curve
- focal developable surface
- focal distance
- focal distance, focal length
- focal ellipse
- focal extender
- focal hyperbola
- focal image
- focalization
- focalizer
- focal length
- focal length factor of photographic lens
- focal length measurement of optical part and optical system
- focal line
- focal manifold
- focal mechanism
- focal mechanism solution