Errors in forecasting can result from bad data, wrong assumptions or a faulty model.

预测的误差可能来自错误的数据、错误的假设或错误的模型。

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Due to the complexity of certain thickness gages wrong instrument Settings could result in faulty results.

由于复杂的一定厚度计错乐器设置可能会导致错误的结果。

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We should find out what has caused the defect: Is it caused by faulty design or substandard material supplied, or has something gone wrong in production or in the course of transportation?

我们应该找出造成不合格产品的原因：是由于设计缺陷还是原材料不合格，还是在生产或运输过程中出了问题？

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In the end, the ratings agencies will settle for an insignificant amount of money (compared to the havoc their faulty ratings caused) and will neither admit or deny wrong doing.

FORBES: Fraud Charges Against Ratings Agencies Won't Help Investors