在后面的版本中，我们将允许运行实例从一个版本自动迁移到另一个版本。

In later versions, we will allow running instances to automatically migrate from one version to another.

youdao

映像是之前运行实例已保存的表现形式。

An image is a saved representation of a previously running instance.

youdao

你可以在运行实例中看到这句话的效果。

You can see the effect of this statement in the sample run.

youdao

And in fact if I go off and run this, OK, what I was printing here was s 1 dot length, and that's -- What is it doing?

他们就是一些有结构的实例，实际上如果我去运行下这个，好，我这里输入的？

麻省理工公开课 - 计算机科学及编程导论课程节选