Instead of chaining functions that contain filters, we could wrap a filter visitor around conditions composed using normal Clojure connectors.

我们不必将包含筛选器的函数链接在一起，只需在使用普通Clojure连接器建立的条件中包装一个筛选器访问者即可。

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This takes a syntax object and converts it into an expression that can be manipulated using normal Scheme list-processing functions.

它接受一个语法对象并将其转换为表达式，可以使用一般的Scheme列表处理函数操作这个表达式。

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The normal form of a kind of analysis function is proved with a simple and elementary method by using the properties of semiquasihomogeneous functions.

运用拟齐次函数的性质，给出了一类解析函数正规型的一个简单的初等的证明方法。

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