The offsetting technology of 2D-compound curve is a basic problem in CAD/CAM, and has been widely studied in tool path generation for pocket machining.
二维组合曲线的等距方法是CAD/CAM领域中的一个重要课题，并在型腔环切加工刀具轨迹自动生成技术中得到广泛研究。
A new method of constructing compound CAM moving curve is proposed by taking some characteristic values as an optimization object.
提出一种以特性值为优化目标构造复合型凸轮运动曲线的新方法。
Using mold prepared by compound method, on the basis of different drying time curve attained by changing environmental humidity and temperature, the optimized processing parameters were determined.
采用复合法制备型壳，在制备过程中，改变不同的环境湿度和温度而得到型壳的不同干燥时间曲线，确定工艺参数优化值。
But net torque curve of crankshaft exists negative . The compound balance beam pumping units is put forward.
但净扭矩曲线存在负值，建议增加曲柄二次平衡，设计成复合平衡型抽油机。
But net torque curve of crankshaft exists negative . The compound balance beam pumping units is put forward.
但净扭矩曲线存在负值，建议增加曲柄二次平衡，设计成复合平衡型抽油机。
应用推荐