这很可能超出一年的Web开发预算，但是，幸运的是，可以使用一些方法将一台计算机转化为多个测试平台。
That's liable to break your Web development's budget for a year, though-but fortunately, there a number of ways to turn one computer into multiple test platforms.
很多编程语言和平台都已增加了新的并发性功能以帮助开发人员充分利用多内核的计算机。
Many programming languages and platforms have added new concurrency features to help developers take advantage of multi-core computers.
Xen是一种开放源码的虚拟化平台，最初是在剑桥大学计算机实验室开发的。
Xen is an open source virtualization platform originally developed at the University of Cambridge Computer Laboratory.
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