求翻译：另一方面，组合服务的QoS依赖于组件服务的QoS，服务组合在运行动态发现、选择、绑定组件服务，这使得组合服务需要根据运行时的环境状况及用户需求，从功能等价的候选服务集合中选择适当的组件服务，以满足QoS管理目标是什么意思？

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On the one hand, the combined service QoS depends on the Component Services QoS, portfolio of services to run the dynamic discovery, selection, and Binding Component Services, and this makes combined service needs to be run in accordance with the state-of-the-environment and user needs, from a featu

On the other hand, combination service QoS relies on module service QoS, the service combination in the movement dynamic discovery, the choice, the binding module service, this causes the combination service to need according to the movement time environment condition and the user demand, chooses th

The other hand, the QoS depends on the components of a composite service services QoS, service composition in dynamic discovery, selection, component services, making composite services needed according to the runtime environment and user needs, from the functional equivalent sets of candidate servi

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