男式紧身裤昔日男用的一种紧身短裤或者裹腿，穿至臀部并与紧身上衣系在一起（只用于复数形式）

Close-fitting breeches or leggings reaching up to the hips and fastened to a doublet, formerly worn by men. Used only in the plural.

裤子尤指男性穿着的一种外衣，覆盖以腰际到脚踝的部分，分成两部分以分别适合每条腿，常用复数形式

An outer garment for covering the body from the waist to the ankles, divided into sections to fit each leg separately, worn especially by men and boys. Often used in the plural.

复数形电报方程{式}

телеграфное уравнение в комплексной форме

复数形电报方程(式)复形电报方程

телеграфное уравнение в комплексной форме

“Trousers”没有单数形式。

“Trousers”has no singular.

用以其他通信形式复用无线电波道(信道)

уплотнять радиоканал другими видами связи

占位符号在一个数的小数形式中，没有意义的数字

In the decimal form of a number, a digit that is not significant.