基础释义
例句
柯林斯词典释义

福克斯词典 \ 英汉词典 \

summations是什么意思？

summations

n. 总和( summation的名词复数 )，加在一起，总结，概括；

例句

The summations of forces in this and that directions must be zero. 在这个和那个方向上的合力必定为零.
Summations are almost invariably indicated ellipses instead of the more prevalent sigma notation. 在表示“连加”的式子中,几乎一成不变地使用省略号来代替更为流行的“∑”符号.

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柯林斯高阶英汉双解学习词典释义

N-COUNT

总结;概要;概括

A summation is a summary of what someone has said or done.
例句
Her introduction is a model of fairness, a lively summation of Irish history. 她的导论是客观公正的典范，是对爱尔兰历史的生动概括。

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