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
- popping
- poppy capsule
- poppy family
- poppyseed oil
- POPs
- PoPS
- pop style
- Populace Faction
- popular
- Popular Art
- popular art
- popular astronomy
- Popular Bookmall
- popular culture
- popular culture/mass culture
- popular dance
- Popular Democratic Movement
- popular edition
- popular education
- popular entertainment feature
- popular form of narrative literature
- Popular Front Party
- popularization of law
- Popularization of Literature and Art
- popularization of Marxism