在有高优先级的请求等待时，该功能可以避免让非关键资源占用网络通道的问题。
This avoids the problem of congesting the network channel with non-critical resources when a high-priority request is pending.
它提供一种简单的方法来实现关键功能和非功能性需求，不需要编程，也不需要使用限定符对服务实现代码进行修改。
It provides an easy way to achieve critical functional and non-functional requirements, without requiring programming or any change to service implementation code by means of qualifiers.
服务策略成为服务描述的关键部分，用非功能的服务行为陈述增加了基本的WSDL功能描述。
Service policies become a critical part of service descriptions, augmenting the basic WSDL functional description with a statement of nonfunctional service behaviors.
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