理学 系统软件 释 system software 系统软件 计算机系统中提供系统级平台服务功能的软件集合，其处于整个计算机软件层次中的底层，最靠近硬件，负责控制计算机和外部设备，向上层软件提供某一类共性的功能支持，支持应用软件的开发和运行。
system software 系统软件
系统软件 释文 system software 系统软件
- public credit sharing service platform
- public cultural facilities
- Public Cultural Service Guarantee Law of the People's Republic of China
- public data network
- public decision-making
- public decision-making model
- public decision-making system
- public diplomacy
- public discourse
- Public Discussions of the Scholars
- public domain book
- Public Duties: The Moral Obligations of Government Officials
- public economic management
- public education
- public educational policy
- Public Electronic Reading Room Construction Project
- public emergency
- public emergency monitoring
- public employment service system
- public enciphering algorithm
- public encryption key
- Public English Test System
- public enterprise
- public expenditure management
- public expenditure on environmental protection