In order to make the speech recognition system maintain the good performance under these noise conditions, we must use various methods to enhance the robustness of system.

为了使语音识别系统在不同噪声环境下仍能具有较好的性能，就需要采用各种方法来增强识别系统的鲁棒性。

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Create BOM in the material management system, maintain the BOM continuously.

在物料管理系统中形成BOM，并持续维护BOM表。

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"It is impossible to maintain a safe and effective health-care system under conditions of siege that have been in place now since June 2007."

VOA: standard.2010.06.01

They have refuse to pay the cost that maintain the health care system, and so in countries like Britain and Canada, t find the same availability of health care like that in the United States.

政府拒绝为民众买单,维持医疗福利，所以在英国和加拿大这样的国家，你找不到，you，don’,同样方便的医疗,可以与美国媲美的。

斯坦福公开课 - 经济学课程节选

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