Generally Hendra virus outbreaks in horses occur one to two weeks before illness in humans; detected outbreaks in horses could trigger prevention measures to deter associated outbreaks in humans.

通常亨德拉病毒在马群中的暴发比人间疫情早一到两周。如在马群中发现疫情可促使采取预防措施，以阻止人类出现相关疫情。

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For each weakness, the authors list several prevention measures like this one.

针对每个弱点，作者都列举了多种防止措施，如下所示。

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While it's easy to point to one or two key measures for the prevention of the SQL injection attack, it's best to take a layered approach to the problem.

尽管采取一两项关键措施预防SQL Injection攻击是很容易的，但最好是对问题采用分层方法。

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This is just one of a number of measures that were considered as part of the Waste Prevention Programme consultation document.

BBC: New Wales carrier bag-style charges 'a possibility'