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
- Housing, Environment, Urban-Rural Construction
- housing filtering
- housing for all
- housing for low-income migrant population
- housing for replacement
- housing for the elderly
- Housing for the Machine Age
- housing-income ratio
- housing industrialization
- housing map
- housing model
- housing planning technical standards
- housing policy
- housing price
- housing renewal
- housing repair project of No.2 East Beijing Road, Shanghai
- housing reverse mortgage endowment insurance
- housing right
- Housing security informatization
- Housing security objects
- Housing security objects management
- housing security system
- housing set ratio
- housing social policy
- housing space property