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简介了８０年代以来国际齿轮技术的新进展，着重介绍了齿轮现代设计技术的现状和发展趋势，并对我国齿轮设计技术同国际水平的差距及展望作了评述
The new progress of international gear technology since the 1980s is introduced. The status quo and development trend of gear modern design technology are introduced emphatically. The gap and prospect of gear design technology in China with the international level are also commented