Creating intermediate facts is a useful pattern to avoid duplication of rule code.

要避免规则代码的复制，创建中间事实是一个很有用的模式。

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Listing 9 shows a pattern that I introduced in "Leveraging reusable code, Part 2" under the guise of removing structural duplication.

清单9显示了我在“利用可重用代码，第2部分”中引入的一个模式，它以删除结构性重复为名义。

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The generic DAO pattern (also called Typesafe DAO) is critical to reducing code duplication in the data access tier.

泛型dao模式(也称为类型安全的DAO)对于减少数据访问层中的代码重复非常重要。

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