Business locators: These are responsible for hiding the complexity of looking up services; they also provide caching logic.
业务定位程序(Business locators)：这些程序负责隐藏查找服务的复杂性，并提供缓存逻辑。
Request handlers rely on business locators to find the corresponding services then accesses the desired EIS information through those services.
请求执行程序依靠业务定位程序发现相应的服务，然后通过这些服务访问需要的EIS信息。
Request handlers rely on business locators to find the corresponding services then accesses the desired EIS information through those services.
请求执行程序依靠业务定位程序发现相应的服务，然后通过这些服务访问需要的EIS信息。
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