他的任务是控制通胀(平滑过渡经济周期)，保护金融体系，和阻止衰退转为萧条。

Its task is to keep inflation down (helping smooth out the economic cycle), to protect the financial system, and to prevent a recession turning into a deep slump.

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保存元数据记录了保护和拓展资源周期的活动，例如格式转换。

Preservation metadata may record activities to protect or extend the life of the resource, such as reformatting.

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药品和医疗产品的案例研究介绍了产品开发，产品测试周期，专利保护，以及FDA的批准。

Case studies of drugs and medical products illustrate the product development-product testing cycle, patent protection, and FDA approval.

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