sum
美[sʌm] vt.& vi.总计；总结，概括；归纳
网络和；总输出编组开关；总数；笔
1 . The sum of evidence points to the crime resting on them.
所有证据都表明该犯罪乃他们所为.
来自柯林斯例句
2 . What are you doing fooling with such a staggering sum of money?
你拿着这么一大笔钱瞎折腾什么呢？
来自柯林斯例句
3 . You owe a certain person a sum of money.
你欠某人一笔钱。
来自柯林斯例句
4 . The guests had each paid £250, no trifling sum .
客人每位付了250英镑，可不是一笔小数目。
来自柯林斯例句
5 . The sum of all the angles of a triangle is 180 degrees.
三角形内角总和为180度。
来自柯林斯例句
1.a quantity of money;
he borrowed a large sum
2.a quantity obtained by addition
3.the final aggregate;
the sum of all our troubles did not equal the misery they suffered
4.the choicest or most essential or most vital part of some idea or experience;
the gist of the prosecutor's argument
5.the whole amount
6.the basic unit of money in Uzbekistan
7.a set containing all and only the members of two or more given sets;
let C be the union of the sets A and B
1.be a summary of;
The abstract summarizes the main ideas in the paper
2.determine the sum of;
Add all the people in this town to those of the neighboring town
在linux应用 SUM 是linux命令，是对当前选定表的指定数值字段或全部数值字段进行求和。 语法 SUM [eExpressionList] [Scope] [FOR lExpression1] [WHILE lExpression2] [TO MemVarNameList | TO ARRAY ArrayName] [NOOPTIMIZE] 参数 eExpressionList 指定要总计的一个或多个字段或者字段表达式。如果省略字段表达式列表，则总计所有数值型字段。 Scope 指定要总计的记录范围。范围子句有：ALL、NEXT nRecords、RECORD nRecordnumb