Symptoms lasting up to 90 days are usually classified as acute bronchitis; symptoms lasting longer, sometimes for months or years, are usually classified as chronic bronchitis.

症状持续90天，往往列为急性支气管炎，症状持续更长几个月或几年，列为慢性支气管炎。

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Therefore, the climatic mean computed with long-lasting data is able to represent longer-lasting mean state.

从而使有限年代的资料计算出的气候平均值可以代表更长年代的平均情况。

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Scientists warn climate change will lead to rising sea levels, more devastating floods and hurricanes, longer lasting droughts and other extreme weather phenomena.

VOA: standard.2009.08.31

So this might be a longer lasting, more permanent form of elimination of expression of a particular gene.

所以这似乎是一种持续时间更长,更长久地阻止某个特定基因表达的方法

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And similarly, pleasures can be longer lasting, or more intense.

类似地，快乐也可以,延续得更久或更加强烈。

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Or did we care most about our clothes feeling really soft and lasting longer?

NEWYORKER: The Tweaker

He told the CBS program "60 Minutes" that a mission lasting any longer would take on the appearance of occupation.

CNN: Clinton reiterates troops will leave after a year

John says the technology is getting better and batteries are lasting longer.

BBC: Who drives electric cars?