method of summation

• 求和法

method of summation的用法和样例：

例句

1. In this paper,multilayer elastic system and summation method were employed to study the influence of pavement structure on subgrade settlement.
   采用多层弹性层状体系理论及分层求和法分析了柔性路面不同结构组合对路基沉降量的影响。