To define both of the user programs we need.

要定义我们所需的两个应用程序，请执行以下步骤。

youdao

Also, these programs often have functions that let the user invoke other programs on their behalf.

另外，这些程序通常都有一些函数让用户根据自己的目的而调用其他程序。

youdao

In user mode, programs have read and write access to the user data in the process private region.

在用户模式中，程序对进程专用区域中的用户数据具有读写访问权限。

youdao

And we will show you exactly how you can write programs that actually interact with the user in that way.

我们将给大家示范如何,书写代码以及跟用户交互。

哈佛公开课 - 计算机科学课程节选

So let's go ahead and introduce a couple other capabilities so that we can finally start writing programs that maybe print out charts or interact with the user, play games, or the like.

让我们继续来介绍其他几个功能,以便我们最终能开始写程序,那样可以打印图表或与用户交互，打游戏之类的。

哈佛公开课 - 计算机科学课程节选

But when you start writing programs, especially when we get to web-based stuff where you want -- to check the user's input -- is it valid, is it an email address, -- and all these different scenarios -- it's actually often useful to be able to just enumerate them or rattle them off using this switching construct instead.

但是当你看是写程序时，特别是当我们,使用基于网络的东西，你想要,检查用户的输入-,它是合法的吗？它是不是一个电子邮箱地址？,所有的这些场景-,实际上它常常是有用的，当你用枚举结构列举它们,或者用它来快速地来说出它们。

哈佛公开课 - 计算机科学课程节选

In addition, the HDHomeRun PRIME App lets the user record programs directly to their iPad with the option of transferring those recordings from the iPad 2 to a Mac or PC.

ENGADGET: Elgato HDHomeRun iPad app brings (some) cable channels to the tablet

The difference is that existing programs require the user to correct each word individually from a drop-down list of alternatives, or else to retype or reutter the words.

ECONOMIST: Monitor

The snapshot summary of our head-to-head user test of the two programs is that they fundamentally do the same thing, and do it well, but Keynote does it with a superior elegance and simplicity of use that is Apple's design trademark.

FORBES: Magazine Article