Most PCs currently use a Microsoft operating system.

绝大多数计算机目前都在使用微软的操作系统。

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Most computers are sold with the Microsoft operating system pre-installed. That annoys many users.

大多数电脑出售时便预先安装了微软操作系统，此举引起许多用户的不满。

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Ford, for instance, has already developed a service called SYNC, based on a Microsoft operating system.

比如，福特汽车公司已经研发了一款基于微软操作系统的名为SYNC的车载服务。

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One big announcement this year involved the British company ARM and the Microsoft Windows operating system.

VOA: special.2011.01.10

Microsoft had written a Nvidia compiler into Visual Studio and the Microsoft operating system has proven popular for GPU developers.

FORBES: Supercomputing and High Performance See Growing GPU Adoption

Dreamcast will also ship with a Microsoft operating system: Windows CE.

FORBES: WebCE

With many companies still making the transition to Windows 7 and many consumers happy enough with the current Microsoft operating system, it may be difficult for Windows 8 to make a big splash, even with the overhauled UI.

FORBES: Microsoft To Unveil Windows 8 'Release Preview' Early June