名词 sum:

1. a quantity of money

2. a quantity obtained by the addition of a group of numbers

3. the final aggregate

4. the choicest or most essential or most vital part of some idea or experience

5. the whole amount

6. a set containing all and only the members of two or more given sets

动词 sum:

1. be a summary of

2. determine the sum of

sumi<日> n.(书法和绘画用的)烟灰墨(块)sumn.金额；总数；要点v.概括；总结；归纳；总计Sum of squares within treatments处理间平方和sum of pain intensity difference疼痛强度差异之和sum of L-pretopological spaces和L-预拓扑空间sum-product decoding algorithm和积译码算法sum and difference stereo device和差立体声装置Summarise and analyse the results总结并分析结果sum of absolute frame differences累积帧差Summarization of Zinc Dusty Paint锌粉漆综述sum-of-product canonical form积之和的正则形式SUM AVERAGE COUNT TOTAL CALCULATE统计。包括以下命令