Once trained, it can assess the risk that a restaurant is dirty.

一旦训练，它可以评估一家餐馆的卫生风险。

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Once trained the computer examines images in the much larger database from which the samples were taken.

如果实验成功，电脑就能从更大型数据库提取图像并对其进行检测。

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She got a job at a local bank. She hit the glass ceiling, and watched men she once trained promoted up the ladder ahead of her.

她在当地银行找到一份工作，她遇到了事业上的玻璃天花板，眼看着她曾经培训过的男人晋升到比她更高的级别。

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Once trained, the cows no longer require human assistance, unless something goes wrong.

VOA: special.2009.05.12

She hit the glass ceiling, and watched men she once trained promoted up the ladder ahead of her.

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Jewel Hall said her son had once trained as a civil right activist, been an avid reader and played football.

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