The boss of Lenovo, a computer firm, lives in Singapore, for instance, but its principal operations are in China and America.

例如，联想电脑公司的行政总裁居住在新加坡，但公司的主要业务则在中美两国。

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The principal advantage of Forth include rapid, interactive software development and efficient use of computer hardware.

Forth 的主要优势是快速 互动的软件开发和高效利用电脑硬件.

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Optical character recognition is the principal technology of computer intelligence man-machine interface.

机器字符识别是计算机智能化人机接口的关键技术。

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Today, Katz works at the renowned Massachusetts Institute of Technology, where he is the principal research scientist at the Computer Science and Artificial Intelligence Laboratory.

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By making Windows virtually the only operating-system choice available to computer manufacturers, Microsoft was a principal benefactor of the boom in desktop computing.

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He is currently a principal in Renaissance Associates, a private company that investigates corporate fraud and computer crimes.

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