We see a much cleaner syntax for defining these functions, which can be optimized for performance by opcode caches.

我们看到了定义这些函数的更规则的语法，这可以通过操作码缓存来优化性能。

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After defining these four forms of a business rule, let's discuss the meaning of "rules" and how rules relate to each other.

在定义了业务规则的这4种形式之后，我们来讨论一下“规则”的意义以及规则之间的关系。

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At the same time, it takes a much more careful approach to defining these elements so that everyone can use them interoperably.

同时，它以一种谨慎得多的方式定义这些元素，让我们可以放心地使用它们。

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The nucleotide has a directionality, there's an up and a down to it and it's going to turn out the chain that's formed by polymerizing these has a directionality as well and that's important in defining the structure.

核苷酸有方向性,有上端和下端,核苷酸长链,是由核苷酸沿一个特定方向聚合而成的,这在定义结构时很重要

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The government needs to take a role in defining what these standards are, and getting them in place so that we can more quickly reach our destination.

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But with many voters jaded, the defining factor in these elections could well be that old scourge: regionalism.

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Legislators, stock exchanges and commissions respond to these concerns by defining ever more structural requirements for boards.

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