理学 计算机存储部件 释 None 光碟 利用光电原理记录并用光学方法读取信息的圆盘状信息载体。是近代发展起来不同于磁性载体的光学存储介质，用聚焦的氢离子激光束处理记录介质的方法存储和再生信息。又称激光光盘、光盘。
计算机硬件 存储设备 释文 optical disc 光碟
- occluded phosphorus
- occluder
- occlusion
- occlusion coprecipitation
- occlusion effect
- occlusive
- occlusive part
- occulation observation
- occultation
- occultation angle
- occultation band
- occultation curve
- occultation of planet
- occultation of satellite
- occultation of source
- occultation of star
- occultation photometric detection
- occultation time
- occultation variable
- occulting disk
- occulting mask
- occulting object
- occulting source
- occultor
- occult precipitation