What it means is if you'd release a rock at that location one second before with a certain speed that we can calculate, it would've ended up here with precisely the position and velocity it had at the beginning of our experiment.

它的意义在于,若在该处以特定速度抛出一个物体,这个速度可通过计算得到,一秒之后,物体会运动至我们设定的起点,并且速度为我们设定的初速度

耶鲁公开课 - 基础物理课程节选

select which location it's going to be set up in and I do it by color. Just,

我是依照颜色来选择展示位置的，只是，

在布鲁明戴尔百货 - SpeakingMax英语口语达人

Well, maybe this ended up at location 7, 8, 7 8 9 9 so what's really in x is the number 7, 8, 9, which is the address in memory, but again, uninteresting.

嗯，可能这个在地址7，8，9结束，那么在x中实际上是数字，那是内存中的地址，但是，那是没有什么用的。

哈佛公开课 - 计算机科学课程节选