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
- political emotion
- political emotions
- political essay
- political ethic
- political ethics
- Political Fiction
- political film
- political geography
- political groups and parties of the Hong Kong Special Administrative Region
- political idealism
- political identification
- political ideology
- political image communication
- political indoctrination
- political information
- political institution
- political integration
- political intelligence
- political journal
- political knowledge
- political languages
- Political Liberalism
- Political Life
- political management
- political map