Another key concept for me.

这是我的一个关键的规律。

Take for example the key concept "loose coupling".

以关键概念“松耦合”为例。

Succession is the key concept of vegetation dynamics.

演替是植被动态的中心问题。

To navigate through the application a key concept is semantic zoom.

应用内导航有一个关键概念叫“Semantic Zoom”。

The notion of components is a key concept in today's software design.

组件的概念是当今软件设计中的关键概念。