Storyline missions will take you inside each of these vehicles as you race, chase and take on time trials.

剧情任务将会把您带进这些令人兴奋的交通工具中，去比赛，去追逐，去挑战时间纪录吧。

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But Szostak is sure that, given enough time and enough trials, protocells made with his general formula will almost certainly evolve new characteristics that give them an edge over others.

不过绍斯塔克能够确定，若有充足的时间做充足的尝试，按他的通式造出的原细胞将进化出新的特征，进而胜过其他细胞。

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Clinical trials take a long time because they're rigorously controlled, with close attention paid to sampling bias and methodology.

临床试验需要花费很长时间，因为它们处于严格控制之下，必须密切留意取样偏差与方法。

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Wiggins had dominated time trials all year, and this was more of the same.

WSJ: 2012 London Olympics: Bradley Wiggins: The Reluctant King of Cycling - Jason Gay

This year's course promises to be arduous, with seven mountain finishes, three time trials and only two rest days.

BBC: Top names primed for Vuelta

The authority said about one million people visited the county during the London 2012 road races and time trials in July and August.

BBC: London 2012 Olympic events 'raised ?44m' for Surrey