This limits the number and length of summer and fall shoots.

VOA: special.2009.11.10

So 1.1 times 10 to the -31 meters is not, in fact, a significant number when we're comparing it, for example, to the length of a ball, or the size of the baseball field.

所以1，1乘以10的负31次方米，事实上并不是一个很重要的数字，举例来说，当它与一个球的长度，或者一块棒球场地对比时。

麻省理工公开课 - 化学原理课程节选

This passage I read at length is important for a number of reasons let me just try to explain.

我读出这一长段是基于几个重要的理由,我会加以解释。

耶鲁公开课 - 政治哲学导论课程节选

That is, it's at most the length of the actual number of instructions.

也就是，它至多会执行,和实际指令数一样多的指令。

麻省理工公开课 - 计算机科学及编程导论课程节选