这里是一个帮助你上路的简单教程。

Here's a simple guide to help you on your way.

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这是一个关于如何在2d视频脚本中混入3d动画物体的简单教程。

This is a very simple tutorial demonstrating how to take 2d video footage and composite a 3d animated object in the scene.

youdao

如你在这个简单教程中所看到的，把验证放到模型中能够很好简化你的控制器。

As you can see in this brief tutorial, putting your validation into your model can clean up your controller code in great ways.

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