对于像这样的简单演示游戏，轮询机制已经足够满足要求。

For simple demonstration games like this, a polling mechanism works just fine.

youdao

但是在开始查看代码之前，让我们先来看一个简单演示，了解RAP可以做什么并熟悉如何启动基于RAP的应用程序。

But before we start looking at code, let's look at a simple demo to see what RAP can do and familiarize ourselves with launching RAP-based applications.

youdao

你可以通过简单地把脸倒置过来来演示这个过程，表明我们辨别差异的能力突然下降。

You can demonstrate this process by simply turning faces upside-down, showing that our ability to pick out differences is suddenly reduced.

youdao

Let me simply tell you that in time I am going to show you that this formula is inconsistent with the Bohr model.

让我说简单点吧,之后我会向你演示,这个方程式与波尔模型不一致。

麻省理工公开课 - 固态化学导论课程节选

But there's another way to do this and I'm going to give you now the simplest example of the other way, which is to draw free-body diagrams.

不过还有另外一种方法,现在我来给你们演示,另外一种方法最简单的例子,也就是隔离法的受力分析

耶鲁公开课 - 基础物理课程节选