What you are doing here is a bit different, though, as you map simple references to already related elements (in other words, the UML classes).

你在这里所作的有一点不同，主要是你把简单引用映射到已经相关的元素了(换句话说，映射到UML类)。

youdao

Though we sound a bit incredulous, the science is pretty simple here, and the progress on the project is very real.

ENGADGET: Shape-memory polymer knows when it's hurt, fixes itself