理学 操作系统 释 basic input/output system 基本输入输出系统 计算机系统中通常被固化在ROM中的一组程序，包括基本输入输出程序、开机自检和硬件初始化程序、操作系统引导程序以及运行时服务程序。
系统软件 操作系统 释文 basic input/output system, BIOS 基本输入输出系统
- degree of ramification
- degree of reaction
- degree of reduction balance
- degree of reserve recovery
- degree of resolution
- degree of rocky desertification
- [degree of] roughness
- degree of roughness
- degree of saturation of soil
- degree of separability
- degree of shock metamorphism
- degree of singularity
- degree of soil erosion potentiality
- degree of solvability
- degree of spatial equilibrium
- degree of stability
- degree of structural reliability
- degree of swelling
- degree of symmetry
- degree of syndiotacticity
- degree of syndiot-acticity, syndiotacticity index
- degree of tacticity
- degree of thermal metamorphism
- degree of topological mapping
- degree of topology