保存操作检查该状态是否仍然是当前状态，如果不是则失败。

The save operation checks that this state is still the current one, and fails if it is not.

youdao

这暗示着要从生存困难的角度对人口进行持续且强有力的操作检查。

This implies a strong and constantly operating check on population from the difficulty of subsistence.

youdao

可以使用相似的操作检查某个值是否在调用values方法所返回的数据值列表中。

You can do a similar operation to test whether a value is in the list of data values returned by calling the values method.

youdao

I need that sanity check saying at some point, you have to stop.

在一些地方需要做那样的合法性检查，告诉你必须停止操作。

哈佛公开课 - 计算机科学课程节选

And those are two things that you'd like to do with every looping construct you write: you'd like to be able to assure yourself that they will always terminate, and then the second thing you'd like to do, is to assure yourself that it does give you back a reasonable answer.

就是现在我有了能去检查程序,是不是做了正确的操作的能力：,这就是你们在写每个循环程序的时候,都要注意的两个事情：,第一件事情是要确保程序可以终结，第二件你要做的事情,就是要确保程序返回了正确的答案。

麻省理工公开课 - 计算机科学及编程导论课程节选