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
- The Journal of Modern African Studies
- The Journal of Renaissance
- The Journal of Roman Studies
- The journal of the agricultural association of China
- The Journal of the Chinese Engineering Society
- The Journal of the Japan Association of Chinese Language Education
- The Journal of the Learning Sciences
- The Journey to India
- The Joy Luck Club
- The Joy of Spring
- The Joy of the Immortal Realms
- The Joys of Motherhood
- The Judgement of the Dead by Osiris
- The Judgment Document of All Provincial Courts
- The Judicature Act 1873
- the Junggar war
- The Jungle
- The Jungle Books
- The Jurassic World of Dinosaurs
- The Justice
- the juvenile court
- The Kate Greenaway Medal
- the key irrigation period of forage plant
- the key technology of making high-quality silage
- The Kid