It is also easy to see who the consumer and provider are by the fact that the Service specification realizes the provided shipping interface and USES the required ScheduleProcessing interface.

通过Service规范实现被提供的运送接口和使用被需要的ScheduleProcessing接口，也很容易看出谁是消费者、谁是提供者。

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Figure 11 shows that the Shipper service provides the shipping service as specified by the ShippingService service specification.

图11显示了Shipper服务提供交付服务作为ShippingService服务规范所指定的内容。

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It is also easy to see who the user and provider are by the fact that the Service specification realizes the provided shipping interface and USES the required ScheduleProcessing interface.

根据Service规范实现了提供的传递接口并使用所需的ScheduleProcessing接口，可以很容易就看到谁是用户谁是提供商。

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