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
- expectancy
- expectancy norm of translation
- expectancy theory
- expectancy value theory
- expectancy violations theory
- expectant sampling method
- expectation
- expectation faithful estimation
- expectation function
- expectation in counseling
- expectation maximization
- expectation maximization algorithm
- expectation maximization algorithm,EM algorithm
- expectation maximization estimation
- expectation of dynamical variable
- expectation of life
- expectation propagation
- expectation value
- expectation value of observable quantities
- expected
- expected amount of inspection
- expected a posteriori
- expected average reward
- expected energy not serve
- expected frequency