The central bank has injected a total 159 billion yuan into the banking system the past five weeks via its open market operations.

在过去的五周，央行通过公开的市场操作向银行系统注入了总共1590亿元人民币。

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For the purpose of the development of a visual prosthesis, we interpret the function of the central visual system as a sequence of two mapping operations.

为了研制视觉假体，我们使用两张映射图来描述中枢视觉系统的功能是如何实现的。

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For the purpose of the development of a visual prosthesis, we interpret the function of the central visual system as a sequence of two mapping operations.

为了研制视觉假体，我们使用两张映射图来描述中枢视觉系统的功能是如何实现的。

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