Furthermore, the status in present and development trend of dynamical research of mechanism with clearance and chaotic vibration are discussed.
此外，对含间隙机构及混沌振动的研究现状与发展趋势也进行了一些有益的探讨。
The article analyzed also the present status and development prospects of domestic firms compared with overseas manufacturers of color PDP.
本文还分析比较了国内外彩色等离子显示器生产企业的现状和发展前景。
The specifications, the technological present status and development trend of antiwear hydraulic fluids were briefly described.
简述了抗磨液压油的规格，介绍了抗磨液压油技术现状和发展趋势。
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