O So this is constant time, order one.

所以就是常数时间。

麻省理工公开课 - 计算机科学及编程导论课程节选

My flight, my train should be leaving 8 o'clock tonight, Belgium time.

我的飞机，我的火车应该在比利时时间今晚八点出发。

方便的欧洲之星 - SpeakingMax英语口语达人

You can actually say big O of 1, big O of 1 being constant time, the same number of steps.

其复杂度为O，表示时间是一个常量，所用的步数是相同的。

哈佛公开课 - 计算机科学课程节选

I could still do the linear case, which is order n or I could say, look, take the list, let's sort it and then search it. But in that case we said well to sort it was going to take n log n time, assuming I can do that.

我仍然可以做O的线性搜索,或者也可以以这个列表为例，我们先将其进行排序,然后再进行查找，但是在这种情况下,要花费n，log，n的时间去对其进行排序。

麻省理工公开课 - 计算机科学及编程导论课程节选