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
- deaerator
- deafener
- Deaflympic Games
- Deaflympics
- deaf-mutism
- deafness
- deafness gene
- de-agriculturalization of rural elements
- dealbation
- Dealer Distributor
- dealer relations
- dealing with the Asian financial crisis
- dealkalization
- Deal With the Five Invading Armies
- deamidase
- deamidation
- deaminase
- deamination
- deamination of amnio-acids
- deamplification
- dean (director) of the department
- Deang costume
- De'ang dance
- De'ang language
- Deang literature