There are two key techniques in reverse engineering, the numeralization and surface reconstruction of 3D objects.

三维物体的数字化技术及曲面重构技术是逆向工程的两个核心问题。

The author mainly describes the design and key techniques of the jacquard “Rainbow Crepon”, with analyses and researches made on some technical cruxes in the variety design of its kind.

文章着重介绍了提花织物“彩虹顺绉”的设计及主要工艺，并对该类品种设计的几项关键性的工艺技术作了分析和研究。

In order to treat the flue gas from edge scarfer, the first horizontal Wet-ESP(WSDB)made in home is developed.In the article, the mechanism and key technique is studied and analyzed in detail.

针对火焰清理机烟气排放,研制出了首台国产卧式湿式电除尘器(WSDB),并对该类除尘器的除尘机理和关键技术进行了分析研究。