This generates an ActiveRecord model, a controller with an appropriate route mapped to it, and several view templates.

这段代码将生成 ActiveRecord 模型、带有相应映射路径的控制器和几个视图模板。

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The helper file is empty: it's a place where you can put Ruby methods that you write and that you want to call from your view templates.

Helper文件里面什么也没有：你可以在里面放入自己写的Ruby方法，并可以从视图模板中调用这些方法。

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The scaffolding infrastructure uses reflection when creating view templates – so it can scaffold new templates based on any POCO (plain old CLR object) passed to it.

脚手架（scaffolding）基础设施在生成视图模板时会使用反射，这样它可以基于传给它的任何POCO （plain old CLR object，普通的CLR对象）生成新的模板。

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