“倍数的”用英语怎么说？

在地球上即使用最大倍数的望远镜也看不清楚.No details can be seen, even through the largest telescopes on Earth.此数是3的倍数的概率是多少?What is the probability that it is a multiple of three?分析截流倍数的影响因素,探讨合理的截流倍数计算方法.Analyzing effect factor and study r...