permanents background

permanents

/ˈpɜːrmənənts/ /ˈpɜːrmənəns/

Illustration permanents - Image 1

noun

烫发, 电发

A chemical hair treatment imparting or removing curliness, whose effects typically last for a period of weeks; a perm.

Examples :

"My grandmother gets permanents every six months to add volume to her hair. "

我奶奶每六个月都去烫发，好让头发看起来更蓬松。

appearance style culture

Illustration permanents - Image 1

noun

积和式

Given an n \times n matrix a{ij} \,, the sum over all permutations \pi \, of \prod{i=1}^n{a_{i\pi(i)}}.

Examples :

"Calculating the permanents of different attendance matrices helped the teacher analyze class participation in various group projects. "

计算不同考勤矩阵的积和式帮助老师分析了各个小组项目中学生的参与度。

Illustration permanents - Image 1

noun

永久物, 永续物

(trading card games) A card whose effects persist beyond the turn on which it is played.

Examples :

"In Magic: The Gathering, beginners often underestimate the power of permanents like creatures and enchantments that stay on the battlefield after being played. "

在万智牌中，新手常常低估了永久物的力量，比如生物和结界，它们一旦被打出，就会留在战场上持续发挥作用。