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
- imperfect scattering
- imperforate
- imperforate hymen
- imperforation
- imperial abatement or exemption edict
- Imperial Academy of Empress Wuzetian
- imperial academy of medicine
- Imperial Academy of Northern Wei Dynasty at Pingcheng
- imperial admonition
- Imperial Ancestral Shrine
- Imperial Ancestral Temple
- imperial archive
- Imperial Archives
- imperial archives
- imperial army subject to the emperor in Ming Dynasty
- imperial astronomer
- Imperial Atlas of the Qianlong Reign
- Imperial Bodyguard
- Imperial Cabinet Repository
- Imperial City of Hue
- imperial clansman
- imperial clansmen's school
- Imperial College
- imperial college
- Imperial College edition