在执行每个查询前，会调用此接口。

This interface is invoked before every query execution.

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过去几十年前，心理学家与神经专家已经发现，人类的意识提供了一个稳定的接口，来认知丰富的感官世界。

As psychologists and neuroscientists have discovered over the pastseveral decades, our consciousness provides a stable interface to adizzyingly rich sensory world.

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在部署服务接口前，CCMS首先需要创建所有IBM客户信息的集成视图。

Prior to deploying a service interface, CCMS first needed to create an integrated view of all IBM customer information.

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