No matter how well tuned a UNIX box is, it's optimized only for a set condition; if the condition changes or is replaced, the UNIX administrator has to adjust accordingly.
无论UNIX 计算机调整得多么好，它只对于一组条件是最优的；如果条件发生了变化，UNIX管理员必须相应地进行调整。
Meanwhile, the set condition that pedestrian crossing transform from non-signal control mode to signal control mode was analyzed by using probability theory and gap acceptance theory.
基于概率论方法和可穿插间隙理论，分析了人行横道由无信号控制方式过渡至信号控制方式的设置条件；
Meanwhile, the set condition that pedestrian crossing transform from non-signal control mode to signal control mode was analyzed by using probability theory and gap acceptance theory.
基于概率论方法和可穿插间隙理论，分析了人行横道由无信号控制方式过渡至信号控制方式的设置条件；
应用推荐