They look like an extra-large version of the World War Two jeep, but enclosed, with small blast-proof windows, a protected machine gun position on top and a variety of high-tech gear inside and out.

VOA: standard.2009.11.02

- Those of you with backgrounds in history or we've seen -- or remember World War II with technologies that were used in it might know of the Enigma machine, which is kind of the same idea.

你们其中有历史背景的人或者我们看到的-,或记得起的第二次世界大战中使用的,可能知道的英格玛装置，那是一种同样的思想。

哈佛公开课 - 计算机科学课程节选

- Those of you with backgrounds in history or we've seen -- or remember World War II with technologies that were used in it might know of the Enigma machine, which is kind of the same idea.

你们其中有历史背景的人或者我们看到的-,或记得起的第二次世界大战中使用的,可能知道的英格玛装置，那是一种同样的思想。

哈佛公开课 - 计算机科学课程节选