在这种情况下，一个活动被用来定义服务协议。

In this case an activity is used to define the service protocol.

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在这种情况下，一个活动习惯于定义服务协议。

In this case, an activity is used to define the service protocol.

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在这种情况下，协议是使用UML活动来进行表达的。

In this case, the protocol is expressed as a UML activity.

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注册过程标识用来协调活动的特定协议。

The registration process identifies the specific protocol used for activity coordination.

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这个工业协议是减少儿童肥胖活动的其中一部分。

The industry agreement is part of a campaign to reduce childhood obesity.

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这个工业协议是减少儿童肥胖活动的其中一部分。

The industry agreement is part of a campaign to reduce childhood obesity.

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