This service is a simple math calculation service, providing addition and subtraction operations.
该服务是一个简单的数学计算服务，提供了加法和减法运算。
这个服务实现了 UC3。
This service returns a payment ID.
此服务将返回支付ID。
Enter 1 to automatically restart this service if it fails.
输入1以在服务失败时自动重启该服务。
This service alerts you when the root partition gets full.
该服务在根分区满时发出警告。
As a result, the invoke activities calling this service stop.
结果，调用此服务的调用活动停止。
This service returns a response in either XML or JSON format.
该服务以XML或JSON格式返回响应。
Based on the requirement, even this service can be customized.
根据需求，甚至这个服务也可能被定制。
I use this service daily for displaying codes on my blogs.
我每天都要用它来在自己的博客上展示代码。
This service is used to assign human tasks to specific persons.
这个服务用于把人工任务分配给特定的人员。
The schema of this service is depicted in the following figure.
该服务的模式在接下来的图中进行了描述。
Can this service be combined in transactions with other services?
此服务能够与其他服务合并成事务吗？
Provides access to the functionality offered by this service.
提供对此服务提供的功能的访问。
Before ordering this service, I had a negative trend in followers.
在购买这个服务之前，我的跟随者有逐步减少的趋势。
The module assembly for this service provider is shown in Figure 15.
该服务提供商集合的模块如图15所示。
In the case of PC games, the ISP will be the provider of this service.
对于个人计算机上的游戏，ISP将会是这种服务的提供者。
This service provides a SOAP interface for getting current gold prices.
该服务为获得当前金价提供一个SOAP接口。
To ensure this, we include this service IP into the resource group.
为了确保这一点，我们把服务ip地址包含在资源组中。
With this service, the funds normally can be received within 10 minutes.
通过这种服务，正常情况下10分钟之能内便收到款项。
This service validates a token, which is a digitally signed XML document.
此服务对令牌(经过数字签名的XML文档)进行验证。
What are the relationships between the actions and events of this service?
此服务的操作和事件的关系如何？
This service allows you to add two different types of selection listeners.
此服务允许添加两类选择侦听程序。
This service performs the audit trail as part of a larger global transaction.
此服务将审核跟踪作为更大的全局事务的一部分执行。
You can find a link to the WSDL for this service in the Resources section below.
您可以在下面的参考资源部分找到指向这个服务的WSDL链接。
This service returns a service document containing a link for libraries and feed.
该服务返回一个服务文档，其中包含库和提要的链接。
In this simple service you don't need this service, and so the definition is blank.
在这个简单的服务中，不需要此函数，所以定义是空的。
This service provides a useful query interface to an archive of popular email lists.
该服务提供一个有用的到流行邮件列表归档的查询接口。
This service allows others to register a word and map it to another word (a synonym).
此项服务允许其他服务注册一个词并将其映射到另一个词(同义词)。
Together, they perform this service elegantly and efficiently with few lines of code.
两者用很少几行代码优雅而高效地执行这一服务。
How does the service or application that calls this service interact with the service?
调用此服务的服务或应用程序如何与其进行交互？
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