You're witnessing the birth of a third major computer platform: Windows, Mac OS X, and iPhone.

你正在见证第三大计算机平台的诞生：Windows 、Mac OS X 和 iPhone 。

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In Lavie's game, people watch as the letters N and X appear and disappear in a certain area on the computer screen.

在拉维的游戏中，人们看着字母 N 和 X 在电脑屏幕的某个区域出现和消失。

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The x-ray detectors feed the input into computer programs.

X射线探测器把输入信息传入计算机程序。

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So now, in this case, this code is going to, when we get here, check, and if you haven't seen that strange thing there, that exclamation point in bang computer-ese called a bang, it says x if ANS star ANS is not equal to x, all right?

那么现在，在这个例子中，当我们执行到这里，代码会去检查,如果你没有看到过这个奇怪的东西,这个感叹号在计算机学中被叫做,代码的意思是如果ANS的平方不等于？

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We need to tell the computer go to the address in x * and put 42 there so is the symbology there & or *?

我们需要告诉计算机，通过x定位到那个地址,然后在那里存储42，这里是用&还是？

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Now, unlike high school math or in algebra Z where you call things X and Y and Z, in programming, in computer science, you're actually dealing with humans where it's useful to have a variable name that's more descriptive than X and Y and Z.

不像高中数学或者代数中,称为X和Y和，在程序设计和计算机科学里，你实际上是在和人打交道,在这里有个描述性比xyz更强的,变量名称是很重要的。

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We're guessing they figure that as long as they aren't loading OS X onto the computer themselves, they won't have any trouble from Apple, but that's where they go wrong.

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You can also test your apps using the included iOS Simulator, which supports iOS 6. iOS SDK 6.0 requires a Mac computer running OS X 10.7.4 or higher (Lion).

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Like any computer system, Paradiso says X-Reality implementations would require different levels of access based on verifying users' identities.

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