Service subscribers should be able to register an interest in a given service by completing a form or contract in the service registry that the service provider offers.

服务订阅者可以通过通过完成服务提供方提供的在服务注册中心中的表格或契约在给定的服务中注册感兴趣的内容。

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Depending on the what type of access service provides (RPC vs. Messsaging), its contract is defined either in the form of interface (RPC) or message (Messaging) contract (see Table 1).

根据服务提供的访问类型(RPC vs .消息传递)，它的契约被定义成接口(RPC)或消息(消息传递)契约形式(参见表1)。

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The vacation request form describes a service contract.

休假申请单描述了一个服务契约。

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