An entry is made in the memo whenever an item, memo and an available size pair is considered.

每当选择一件物品和考虑，一种可行的方案时，都会访问。

麻省理工公开课 - 计算机科学及编程导论课程节选

So, if your dog gives you-- if your dog, I don't know, dances for an hour straight, that would be an interval thing.

如果你的狗-,每当你的狗连续跳舞一小时，你才会奖励它，那这就是时间强化。

耶鲁公开课 - 心理学导论课程节选