服务质量——提供各种服务质量，如安全、性能、可靠性、可伸缩性等等。

Quality of service — Provides various qualities-of-service, such as security, performance, reliability, scalability, and so on.

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基础设施功能(如安全、事务和可靠消息传递的使用)都是采用声明方式处理的，已从实现代码分离。

Infrastructure capabilities, such as Security, Transactions and the use of Reliable Messaging are also handled declaratively and are separated from the implementation code.

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Header包含了对处理调用非常有用的附加信息，如安全、验证、会话信息或者其他任何有用的信息。

The header contains additional information that is useful in processing the call, such as security, authentication, session information, or any other useful data.

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We know it's an illusion, but we get to live in it so comfortably with so little alteration of the nature of the illusion or of the way in which we negotiate the illusory world, that it becomes kind of womb-like and cozy.

我们知道那是幻觉，但是我们活在其中，如此舒适地,基本不去改变幻觉的本质,也不改变我们在这个幻境中生活的方式，它变得如子宫般安全舒适。

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