These lines,or circles,are parallel -- meaning that they are equally distant from each other at any point around the world.

VOA: special.2010.07.14

I actually misled you slightly there or maybe a lot, because I did it in parallel.

我可能在那里对你们,产生了一些误导或者可能是很多。

麻省理工公开课 - 计算机科学及编程导论课程节选