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.