Thanks to Scala's syntactic flexibility, you can call the filter method the same way you call an operator.

由于Scala的语法非常灵活，所以您可以像调用一个运算符一样调用filter方法。

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Using the ability to pass code as a parameter (as to the filter method in Listing 3) illustrates thinking about code reuse in a different way.

我使用这种功能将代码作为参数进行传递(清单3中的filter方法)，展示一种不同的代码重用思维。

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The test shows that the filter method is more effective to the processing of quadruped robot attitude data.

试验表明该滤波方法对四足机器人姿态感知数据的处理非常有效。

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But the filter method avoids the error caused by truncated data and it can achieve the analysis of a fixed percentage bandwidth easily.

采用滤波法进行功率谱分析，不存在数据截断带来的误差，还可方便地用于等百分比带宽的谱分析。

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The filter method in Listing 9 accepts a list and a criteria (a code block specifying how to filter the list) and iterates over the list, adding each item to a new list if it matches the predicate.

清单9中的filter方法接受了一个list和一个criteria(指定如何过滤列表的代码块)并对列表进行遍历，将满足谓语的项添加到一个新列表中。

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The filter() method first checks to see if the list is empty — the critically important exit condition for this method.

filter()方法首先检查列表是否为空，这是该方法的重要退出条件。

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The filter() method first checks to see if the list is empty — the critically important exit condition for this method.

filter()方法首先检查列表是否为空，这是该方法的重要退出条件。

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