How to extract dependency of concrete type?

如何提取的具体类型的依赖？

youdao

The base Visitor interface contains a visit method for every concrete type in the domain.

基本 Visitor 接口为域中的每个具体类型都提供了一个访问方法。

youdao

A second, more concrete type of threat arises if a rat spots a cat at the other side of the meadow.

第二种威胁则更为确定，老鼠能够发现草地另一侧的猫。

youdao

But I think it is clear that we still see those in the street looking for the type of concrete transition that both men spoke about just a few days ago.

WHITEHOUSE: Press Briefing

In other green tech news, Spanish researchers have developed a new type of biological concrete that makes it easier to attach plants to the side of buildings to create living walls.

ENGADGET: Inhabitat's Week in Green: biological concrete, flexible solar cells and the top wearable tech of 2012