优角(reflex angle)亦称凹角，指大于平角(180°)而小于周角(360°)的角。直角、锐角和钝角统称劣角。
文章提出了一种基于扫描优角顶点概念和单调剖分思想，对复杂零件测量路径进行优化的方法。
A measurement path optimization method is proposed in this paper which is based on the concept of scan reflex-vertex and the idea of monotony segmentation.
对该复杂系统最优化问题，提出了各时段叶片安放角正交试验选优、水泵转速动态规划模型优化的试验选优方法。
To optimize this complicated system, we put forward a method that optimizes the setting angle by orthogonal experiment and the pump speed by dynamic programming.
膝关节功能按胥少汀评分法优13例，良7例。结论三角形张力带内固定治疗髌骨粉碎性骨折具有固定牢固、可早期行功能锻炼等优点。
The functions of knee joint were evaluated by Xu Shaotings method with good results, 13 patients were excellent and other 7 were good.
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