0 >> David: Yeah, so I very deliberately changed this 9 to a 9.0 so that my math would actually be floating point math involving real numbers and not just integers.

>，大卫：是的，我故意地把9改成9,那样我的数学实际上就是浮点数的了,包括实数，不只是整数。

哈佛公开课 - 计算机科学课程节选

including Computer Science, Mathematics, Linguistics, things of that sort.

包括计算机科学、数学、语言学，这一类的。

什么是认知科学？ - SpeakingMax英语口语达人

And the mathematics of that equation involved a double derivative in time of x 0 plus some constant times x equals zero with some constraints on it.

那个数学方程式,包括了x对时间的二阶导数,加上常数乘以x等于,还有一些限制条件。

麻省理工公开课 - 固态化学导论课程节选