"The hallmark of the class is that it represents the breadth of the human factors profession," says [Paul A. Green]. "There's a tremendous cross-section of people who attend. That's what makes it interesting."
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机译：“班级的标志是它代表了人为因素专业的广度，” [Paul A. Green]说。 “参加会议的人众多，这使它变得有趣。”
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