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
- essentially non-oscillatory
- essentially non-oscillatory scheme
- essentially self adjoint operator
- essentially self-adjoint operator
- essentially self-adjoint transformation
- essentially singular point
- essentially smooth
- essentially strictly convex
- essentially strictly convex function
- essentially undecidable theory
- essentially unique
- essentially unitary
- essentially unitary operator
- essential mapping
- essential measure
- essential medicines list
- essential medicines system
- essential microelement in plant
- essential minerals
- essential monomorphism
- essential oil
- essential order
- essential parameter
- essential point
- Essential Point of Surangama Sutra by Wang Anshi