addition of series

• 序列的相加,级数的加法

addition of series的用法和样例：

例句

1. You do not need a calculator to do simple addition.
   你不必使用计算器去做简单的加法。
2. The assembly language definition of the addition is by no means self-evident.
   用汇编语言所表示的加法决不是直观的。