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
- environmental control of animal husbandry in facilities
- environmental control of swine building
- environmental corrosion
- environmental cost
- Environmental cost-benefit analysis
- environmental costs of aquaculture
- environmental crime
- environmental criminology
- environmental criteria
- environmental damage
- environmental damage of polymers
- environmental dance
- Environmental data management
- environmental decay
- environmental decentralization
- environmental decision-making support systems
- environmental degradation
- environmental democracy
- Environmental Design
- environmental design
- environmental design human scale
- environmental design model
- environmental deterioration
- environmental determinism
- environmental development centre of the ministry of ecology and environment of the people's republic of china