So, ideally what we did see was, in fact, it does have enough energy with the UV lamp, it wasn't a dramatic shift you saw because we didn't start very high and then it went to that stuck point.

所以，理想上我们所看到的，事实上，紫外灯没有足够的能力，因为我们没有从非常高开始,所以它没有一个特别显著的移动,然后它又回到了黏着点。

麻省理工公开课 - 化学原理课程节选

Of course, with large-scale industrialization, which begins in the middle of the eighteenth century, you'll see this dramatic shift up to the north.

当然,随着大规模的工业化,在十八世纪中期的兴起,你会发现北方的戏剧性转变

耶鲁公开课 - 欧洲文明课程节选