理学 操作系统 释 operating system 操作系统 计算机中管理和控制硬/软件资源的系统软件，向程序和用户提供系统服务，使用户方便地使用计算机，使计算机系统高效地运行。
operating system 操作系统
系统软件 操作系统 释文 operating system, OS 操作系统
- french terry
- French Wars of Religion
- French West Africa
- French West India Company
- Frenet
- Frenet formula
- Frenet formulas
- Frenet frame
- Frenet-Serret formula
- Frenet trihedron
- Frenicle de Bessy
- Frenkel defect
- Frenkel exciton
- Frenkel pair
- Frente Democratico Revolucionario de El Salvador，FDR
- Frente Nacional de Libertação de Angola
- Frente Polisario
- frenulum
- frenulum of tongue
- freon
- freon poisoning
- frequence
- frequence distribution curve
- frequency
- frequency-agile radar