服务定位器实现通常包括资源缓存，以此来避免对相同资源的重复查找。
Service locator implementations usually include a resource cache to avoid repeated lookups of the same resource.
当资源查找代价很高时，缓存通过避免重复查找相同资源而提高了效率。
When resource lookups are expensive, caching improves performance by avoiding the repeated lookup of the same resource.
这导致使用者把许多时间浪费在重复查找UDDI和选择提供者这样的工作上。
This causes the consumer to waste a lot of effort repeatedly making UDDI lookups and selecting a provider.
这导致使用者把许多时间浪费在重复查找UDDI和选择提供者这样的工作上。
This causes the consumer to waste a lot of effort repeatedly making UDDI lookups and selecting a provider.
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