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美国微软是全球最大的电脑软件公司,以供应磁盘操作系统(MS-DOS)及视窗操作系统(WINDOWS)两大个人电脑软件为主,全世界90％以上的个人电
Microsoft is the largest computer software company in the world. It mainly supplies two personal computer softwares, the disk operating system (MS-DOS) and the Windows operating system (WINDOWS), and over 90% of the world’s personal power.