Retrieval performance includes evaluation of recall ratio, precision ratio, speed of retrieval, cost and convemence etc.

检索性能主要包括查全率、查准率、检索速度、费用与方便性等指标。

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This expanded recall adds model Numbers that were not included in the original recall and includes products manufactured more recently.

扩展的产品召回增加了更多的型号，这些产品型号并不包括之前的召回品，而是最近生产的产品。

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This expanded recall adds model Numbers that were not included in the original recall and includes products manufactured more recently.

扩展的产品召回增加了更多的型号，这些产品型号并不包括之前的召回品，而是最近生产的产品。

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