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学术研究需要深入地探索 ,并经过争鸣与批评逐步完善以达至善。两院院士张光斗先生是西安交通大学的著名校友 ,本刊特邀学术顾问 ,他今年已 90高龄 ,但是对学术的求真孜孜不倦。他非常关心本刊的发展和学术质量的提高 ,经常阅读本刊 ,并常常提出许许多多的真知灼见 ,对本刊的发展作出了重要的贡献 ,体现了中国老一代知识分子锲而不舍的精神风貌。现将张光斗先生就本刊 2 0 0 2年第 3期“测算行业企业技术进步的非参数前沿分析方法”一文的来信刊出 ,以飨读者。同时本刊开设学术争鸣园地 ,热忱欢迎各位读者对本刊提出宝贵意见 ,并愿“双百方针”在学术期刊中大放异彩。
Academic research needs to be explored in depth and gradually improved through contention and criticism to achieve perfection. Academician Zhang Guangdou of the two academies is a famous alumnus of Xi’an Jiaotong University. His magazine has invited academic consultants. He is already over 90 years old this year, but diligently pursues his academic work. He is very concerned about the development of this journal and the improvement of academic quality. He often reads this magazine and often makes many valuable insights, which has made an important contribution to the development of this journal, reflecting the perseverance and spirit of the older generation of Chinese intellectuals. Mr. Zhang Guangdi is now publishing a letter on “Non-parametric Frontier Analytical Methods for Measuring the Technological Progress of Industrial Enterprises” published in the third issue of 2002 in order to readers. At the same time, we set up academic contests and warmly welcome all the readers for their valuable opinions. We sincerely hope that the “two hundred principles” will shine in academic journals.