If you have any intention of serving users with more than one OS, you'll want a test machine with some form of virtualization on board.

如果您打算使用多个操作系统为用户提供服务，那么需要在测试计算机上实现某种形式的虚拟化。

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This paper generally introduces the character and form, method of property test and production technology of radiation-shielding PMMA at home and board.

综述了国内外防辐射有机玻璃的特性、组成、制备技术及其性能测试的方法，并指出了防辐射有机玻璃的发展趋势。

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