if I say a particle's location is i times t^2 plus j times 9t^3, for every value of time, you can put the numbers in and you can find the velocity by just taking derivatives.

一个质点的位置,i ? t^2 + j ? 9t^3,在每一个时间点,你可以把数值代入,并通过求导得到速度

耶鲁公开课 - 基础物理课程节选

Why didn't they keep right on going with G, H, I, J, K, L, M, N, O, P?

为什么他们不接着写下去呢,按照字母表

耶鲁公开课 - 聆听音乐课程节选

I rather suspect if J. J. hadn't gotten his Nobel, it probably would have been tough for Rutherford to get one since some of these guys stood on the committees.

我认为如果J。J没有得到诺贝尔奖，那么这也会是一件很困难的事,对卢瑟福来说的话,因为他们中的一些人和委员会的是一致的。

麻省理工公开课 - 固态化学导论课程节选

Then, I was talking it over with another graduate student and he said, well if you want to find out why don't you ask J.R. Hicks?

随后,我和另一位研究生讨到了此问题,他说,如果你想知道,干嘛不直接去问J·R·希克斯

耶鲁公开课 - 金融市场课程节选

I know you couldn't do the details, but you should at least know that it's i prime and j prime that have been replaced by i and j.

我知道你们不太注意细节,但你们至少应该知道 i' 和 j',已经被 i 和 j 取代了

耶鲁公开课 - 基础物理课程节选

By the way, he didn't outdo his adviser, J. J.

顺便说一下，他并没有超越他的导师J。，J。

麻省理工公开课 - 固态化学导论课程节选