当使用Ajax提交表单数据时，页面不必刷新，滚动条的位置也可以保持不变，就好像所处理的是一个桌面应用程序一样。
When form data is sent with Ajax, the page doesn't need to be refreshed and the scroll position can remain unchanged, just as if you were working with a desktop application.
在SPU上，大部分指令都可以在寄存器上进行操作，就仿佛它们分别包含多个无关的值一样(因此可以对多个数据项执行一条指令)。
On the SPUs, most instructions can operate on registers as if they contained multiple, independent values (thus the single instruction acting on multiple data items).
和iPhone和iPod Touch一样，iPad有着人们熟悉的苹果连接端口，而且有一条数据线可以把这个端口与个人电脑或Mac苹果电脑上的US B端口相连。
Like the iPhone and iPod Touch, the iPad has the familiar Apple connector port and comes with a cable that links this port to a USB port on a PC or Mac.
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