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
- capital accumulation
- capital asset pricing model
- capital breeder
- capital budget
- capital budgeting
- Capital Camps
- capital circulation
- Capital Cities and Tombs of the Ancient Koguryo Kingdom World Culture Heritage
- capital cities from Song to Qing Dynasties
- capital city
- Capital City of Biyang State
- Capital City of Cai State
- Capital City of Deng State
- Capital City of Mou State
- Capital City of Teng State
- Capital City of Wei State
- Capital City of Yan State
- Capital City of Zhu State
- capital company
- capital construction of open pit
- capital construction plan of Xinjing during the puppet Manchoukuo period
- capital construction plan of xinjing during the puppet manchoukuo period，1932～1938
- capital contribution
- capital cost comparison approach
- capital deepening