1·The Sum API can be used to provide a summation of the values of an EAttribute present with in a list.
Sum API 可以用来提供一个列表中 EAttribute 值的总和。
2·Maths is not only a knowledge system but also a rational thinking and argument system. It is a systematism theory knowledge summation by height abstract and strict logic ratiocination.
数学既是一个知识体系，又是一个理性的思辩体系，它是经过高度抽象和严格的逻辑推理形成的系统化理论知识总和。
3·Human society: the relationship summation between human and human, and the resources and space occupied by human.
人类社会：人与人之间的关系的总和，以及人们所占用的资源和空间。
4·Sales morality is the summation of regularities adjusting the relationships between the enterprises and their interest-related parties.
营销道德是调整企业与所有利益相关者之间关系的行为规范的总和。
5·The summation of all percentages payable in respect to any one accident shall not exceed 100%.
在任何一个意外上，应理赔的百分率总和不应超过100%。