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The next layer on top of Darwin is killer graphics.
达尔文的上面一层是杀手级的图像。
We've got three components, our 2D which is Quartz, our 3D which is OpenGL, and our media layer which is QuickTime.
我们有三个组成部分，2D是Quartz，3D是OpenGL，媒体层是QuickTime。
And they're all seamlessly integrated right into the operating system.
它们都无缝集成到了操作系统当中。
So let's take a look at Quartz.
那么我们来看一下Quartz。
Quartz is PDF-based. What does that mean?
Quartz是基于PDF的。什么意思呢？
You know when you go to the web and you see PDF documents,
当你在网上看到PDF文档时，
you read them with Acrobat, this great technology invented by Adobe.
你可以用Acrobat来阅读，这是Adobe公司发明的一项伟大的技术。
Well, that technology is now at the core of Mac OS X's graphics. So you can image PDFs instantly.
这项技术现在是Mac OS X绘图的核心。这样你就可以立即对PDF文件进行成像。
We have On-the-fly PDF rendering, anti-aliasing and compositing,
我们现在拥有即时的PDF渲染、抗锯齿和合成技术，
which will blow you away, built at the core of the OS.
这些都会让你大吃一惊，并且搭建在操作系统的核心层。
So now all applications get this for free.
现在所有的应用程序都可以免费使用。
And we have built in transparency into the model and I'll show you that in a few minutes.
我们已经在模型中加入了透明度，我会在几分钟后展示给你们看。
Our OpenGL 3D standard is the most widely supported 3D standard in the industry.
我们的OpenGL 3D标准是业界广泛支持的3D标准。
It's very advanced and we have full hardware support for it, built in again to the core of the operating system.
它非常先进，我们有完整的硬件支持，同样内置在操作系统的核心层。
And obviously QuickTime for digital video and audio, live internet streaming, internet standard,
当然还有支持数字视频、音频、实时互联网流媒体、因特网标准的QuickTime，
33 percent market share, built into the core of the OS.
33%的市场份额，内置于操作系统的核心层。
So those are our killer graphics.
上述这些就是我们的杀手级的图像。
