理学 操作系统 释 operating system 操作系统 计算机中管理和控制硬/软件资源的系统软件，向程序和用户提供系统服务，使用户方便地使用计算机，使计算机系统高效地运行。
operating system 操作系统
系统软件 操作系统 释文 operating system, OS 操作系统
- ORF
- Orfeo
- Orfeo ed Euridice
- Orff Music Education
- orgametal catalyst
- organ
- organ abscission
- organ chip printing
- organ culture
- organ dose
- organelle
- organelle transplantation
- organ for administrative compensation
- organ function measurement instrument
- organ genus
- organic
- organic acid fermentation
- organic acids and their derivatives poisoning
- organic acid−base ionic mixtures catalyzed polymerization
- organic adhesive
- organic agricultural product
- organic agriculture
- organic analysis
- organic anion transporter
- organic anode interface material