任务: task; job数: frequently; repeatedly可变: variable; changeable多道程序设计: multi-programming; multirunn ...任务数可变的多道程序设计: multiprogramming with variable tasks; mvt任务数目可变的多道程序设计: multiprogramming with a variable number of tasks任务数固定的多道程序设计: multiprogramming with fixed tasks任务数量固定的多道程序设计: multiprogramming with a fixed number of tasks任务数目固定的多道程序设计: multiprogramming with a fixed number of tasks多道程序设计: multi programming; multiple program number; multiple programming; multiprogramming priority; multirunning多道程序设计的级: degree of multiprogramming多道程序设计方法: multiprogramming approach多道程序设计功能: multiprogramming facility多道程序设计环境: multiprogramming environment多道程序设计结构: multiprogramming organization多道程序设计能力: multiprogramming capability多道程序设计系统: multiprogramming system多道程序设计效率: multiprogramming efficiency分级多道程序设计: hierarchical multiprogramming结构多道程序设计: structured multiprogramming优先多道程序设计: priority multiprogramming主式多道程序设计: master mode multiprogramming最佳多道程序设计: optimal multiprogramming最优多道程序设计: optimal multiprogramming任务数量固定的多通道程序设计: mft multiplprogramming with a fixed number of tasks