位系统的限制，特别是4 GB的虚拟内存上限，已经极大地刺激很多公司开始考虑迁移到64位平台上。
The constraints of 32-bit systems, particularly the 4gb virtual memory ceiling, have spurred companies to consider migrating to 64-bit platforms.
目前，虚拟化在UNIX领域中已得到广泛应用，很多公司都试图从中获取最大利益。
Recently, virtualization has become a big buzzword in the UNIX field, with companies trying to determine how to get the most bang for their buck.
第三种，虚拟公司可以是一家大公司，选择把很多重要业务，如制造或批发，外包出去。
Third, the virtual corporation can be a large company that chooses to outsource many of its important operations, such as manufacturing or distribution.
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