求翻译：长期以来一直与国内一流的高校：中国科学技术大学，合肥工业大学，安徽建筑工业学院的相关专家教授保持良好的技术合作和交流，一直活跃在专业领域技术的前沿。是什么意思？

For a long time been working with the domestic first-class universities: Chinese University of Science and Technology, Hefei University, Anhui Institute of Architecture Industry experts and professors to maintain good technical cooperation and exchange, has been active in the professional field the

has long been the best in the country with colleges and universities: University of Science and Technology of China, Hefei, Anhui Institute of Architecture engineering experts, professor of the good technical cooperation and exchanges, and has been active in the professional field the cutting edge o

Since long ago continuously and domestic first-class university: University of Science and Technology of China, Hefei Industrial university, Anhui construction industry institute's related expert professor maintains the good technical collaboration and the exchange, enlivens continuously in the prof

Has long been with first-rate colleges and universities: University of science and technology of China, Hefei University, Anhui construction industry related experts and professors of the College maintain good technical cooperation and exchanges, has been active in the field of professional technolo

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