premise

Based on existing codes andcombining the qualitative and quantitative evaluations and taking the fire prevention as ex-ample this method is proved to be a simple and practical one,The safety countermeasuresare divided into two parts namely the prerequisite for building and disaster prevention sys-tem.

文中把安全对策分成了建筑物前提条件和防灾分系统两大部分，用计算机编制了前提条件评价程序，从应用实例来看，运行情况良好，可操作性较强。