For example, while observation intervals are scheduled systematically, observations within an interval are made at random times.

例如，观察的时间间隔有系统的安排，而时间间隔内的观察却是在随机时间内进行的。

I'm listening to it at the most random times.

我在最随机的时间听它。

That will break open at a random time.

毒药瓶随时会破裂。

And Markos liked to stop and spike the ball at random times.

而马科斯喜欢在任意时间停下来扣球。

To confirm its findings, the team compared that data to more than 100,000 random time periods recorded when no earthquakes were reported.

为了证实其发现，研究小组将这些数据与10万多个没有地震报告的随机时间段进行了比较。

One point I'd like to make is systematic and random time sampling are not always used in isolation. They are often combined in studies.

我想说的一点是系统的和随机的时间抽样并不总是分开使用。在研究中，它们经常结合在一起。

If I hear that sound, though, like, if somebody's set an alarm throughout the day and I hear that sound just like, at a random time throughout the day, it is extraordinarily triggering for me.

如果我无意听到这个铃声，比如有人在白天的某个任意时间设了个闹铃的时候，就会引起我的反应。

For example, while observation intervals are scheduled systematically, observations within an interval are made at random times. That means the researcher might decide to observe only during 15-second intervals that are randomly distributed within each 20-minute period.

例如，虽然观察间隔是系统安排的，但间隔内的观察是在随机时间进行的。这意味着研究人员可能决定仅在 15 秒的间隔内进行观察，这些间隔在每个 20 分钟的时间内随机分布。