他们比较了当时和现在的测试结果。

They compared the then and now test results.

youdao

但当时和现在还存在着很大的差异。

But there are some big differences between then and now.

youdao

我当时和现在一样打算把瓦茨当作自己的家。

I had intended then, as now, to make Watts my home.

youdao

Cities like Gdansk, which we tend to forget about, unfortunately, which is a very important port then and still now.

像格达斯克这样的城市,也就渐渐淡出了人们的视野,而其实,它在当时和现在都仍是,非常重要的港口

耶鲁公开课 - 欧洲文明课程节选

So basically, at the time he was just going on size and then traits, but what we actually know today is that we can also order things in the periodic table by electron configuration.

基本上，在当时他只能通过大小,和特性来进行，但是现在我们已经知道了,我们还可以通过电子排布来对它们进行排序。

麻省理工公开课 - 化学原理课程节选

Now, to be sure, in Siberia in the far reaches of the north, North Asia, this empire amounted to little more than a series of trading posts, and it took a very long time for any semblance of Russian authority from Moscow and soon from St. Petersburg, for reasons that we'll see, to reach there.

现在,可以肯定,当时的俄国,在西伯利亚和北亚并没有多少商栈,俄国耗费了很多时间,才使得其首都市容变成现在这样,无论是莫斯科,还是之后的圣彼得堡,原因我们会讲到

耶鲁公开课 - 欧洲文明课程节选