在操作完成时，单击ok。

Click OK when the action is completed.

youdao

但这是如何实现等待dma操作完成的呢？

So how does this wait for the DMA operation to complete?

youdao

在操作完成之前，调用线程都不能继续运行。

Until the operation completes, the calling thread can't continue.

youdao

Or another way of saying it is, we're going to use as the basic steps, those operations that run in constant time, so arithmetic operations.

我们用可以在恒定时间内完成的操作,算法，比较,内存读取。

麻省理工公开课 - 计算机科学及编程导论课程节选

Good question, so there is this little reading head kind of like in an old phonograph player that does move back and forth and in and out depending on the implementation.

好问题，这就像,老留声机里的小读头,它通过来回移动,来完成不同的操作。

哈佛公开课 - 计算机科学课程节选

hey'd rather single step it through using Idol or something, than just read it and try and figure things out. The most important thing to remember when you're doing all of this is to be systematic.

比起阅读代码发现错误来他们,宁愿用内置的操作层,或者其他工具一步完成,你要记住的最重要的事情,就是要系统化的去做调试。

麻省理工公开课 - 计算机科学及编程导论课程节选