Many uncertain factors are involved in seismic performance evaluation and the probabilistic results drawn from inadequate information are suspectable.

结构抗震性能评估包含许多不确定性因素。

Based on some basic theorems in theory of numbers this program takes advantage of probabilistic algorithm to test a large number for primality.

基于初等数些基本定理,本程序利用概率算法,快速判定个大数是否为素数。