表示单目运算符的UML操作还设置有返回类型和一个参数。

A return type and a single parameter are set for UML operation that represents a unary operator.

youdao

有些人开玩笑的早出了一个DINK的反义词SITCOM，表示单收入，有两个孩子以及沉重房贷负担的家庭。

An "opposite" term of DINK, mainly intended as a joke, is SITCOM: Single income, two children, oppressive mortgage.

youdao

单支红色发光二极管表示电源已接通。

A single red LED shows that the power is switched on.

《牛津词典》