Through a series of code examples (all available for download) you'll see that metaprogramming is one of Groovy's most powerful and practical features.

通过一系列代码示例(都可以通过下载获得)，将认识到元编程是Groovy的最强大、最实用的特性之一。

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This part provides a thorough analysis of Chen's thoughts on family education from three perspectives:its historical features, artistic features and practical features.

从时代特色、艺术特色、实用特色三个方面展开，对陈鹤琴的家庭教育思想进行更深层次的分析。

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All the rich and practical features, all can use free of charge.

所有丰富实用的功能，全都可以免费使用。

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All the rich and practical features, all can use free of charge.

所有丰富实用的功能，全都可以免费使用。

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