Burning accident can be resulted from non uniform pressure on the thrust bearing pad due to under performance of installation and equipment.

如果安装质量和设备缺陷引起推力瓦在运行中受力不均，会导致推力瓦烧损。

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Up to a certain point, the more stress you are under, the better your performance will be.

在一定程度上，你承受的压力越大，你的表现就越好。

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Additionally, it offers far better performance under heavy contention.

此外，它还提供了在激烈争用情况下更佳的性能。

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Ghana's Under-20 national team wrapped up a fantastic three-week performance by edging Brazil on penalty kicks,4-3, to win their first title in their third appearance in the final of the FIFA Under-20 World Cup.

VOA: standard.2009.10.17

But some investors are happy to trade a little under performance for the opportunity to invest based on their faith.

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As such, unethical company leadership may be tempted to hide under performance.

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Positive residuals indicate over performance, while negative residuals indicate under performance.

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