您可以扩充其功能以提供元件使用者更好的程序设计经验。

You can extend their functionality to provide a better programming experience for users of your components.

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如果您对Ruby程序设计语言或Rails框架没有经验，那么在接触该书之前，对这些领域进行一些调查可能会有帮助。

If you have no experience in the Ruby programming language or the Rails framework, some research into these areas might help before getting into this book.

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他们通常拥有使用至少一把程序设计语言开发应用程序的经验。

They usually have experience with at least a handful of programming languages for developing applications.

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