the process of adding things together 求和 the summation of numbers of small pieces of evidence. 许多细小的证据汇集在一起。 ■[count noun]a sum total of things added together 总和
the process of summing something up 求和,总结 these will need summation in a single document. 这些需要用一份单独的文件加以总结。 ■[count noun]a summary 总结