服务提供者必须选择是否为多个客户端提供多个接口——这非常难于实现和维护——还是提供单个“全能”折衷接口。
Service provides must choose whether to provide multiple interfaces for multiple clients — which is hard to develop and maintain — or to provide a single 'one-size-fits-all' compromise interface.
货品计价服务提供者为计算订货单的初始价格提供Invoicing接口，当交付信息得到之后，它重新定义这一价格。
An invoicing service provider provides the invoicing interface for calculating the initial price for a purchase order, and it then refines this price when the shipping information is known.
允许使用者和提供者以抽象的数据和服务模型(而不是预先确定的接口)为基础进行开发。
Enable consumers and providers to develop against abstract data and service models rather than directly to prescribed interfaces.
为服务代理的接口建模使其模型与服务提供者定义的WSDL操作相匹配很重要。
It's important to model the interface of the service proxy to match the WSDL operations defined by the service provider.
这将导致图4中所显示的情况：同一个服务提供者组成元素，为通过同一个接口所提供的不同操作，使用不同的行为类型。
This can result in situations (shown in Figure 4) where the same service provider component USES different behavior types for different operations provided through the same interface.
为ID创建服务或者函数(facade可以调用该函数创建有效的ID)定义服务提供者接口，这可能是很有趣的。
It might be interesting to define a service provider interface for an id creation service or function that the facade can optionally call to create valid IDs.
为ID创建服务或者函数(facade可以调用该函数创建有效的ID)定义服务提供者接口，这可能是很有趣的。
It might be interesting to define a service provider interface for an id creation service or function that the facade can optionally call to create valid IDs.
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