1) difference between curve's arc and chord
弧弦差
2) arc-chord difference method
弧弦差法
3) chord and arc differece
弦弧差
5) string-arc regular
弦弧准则
1.
For solve domain of influence problem,present new caculating criteria about domain of influence-string-arc regular and its suitability is tested by the example.
为解决无单元法中影响域问题,对非连续域中点与点之间的影响效果进行了计算分析,提出了新的影响域计算准则—弦弧准则,通过算例验证了弦弧准则的合理性。
6) bowstring-arc mapping
弦弧映射
1.
It makes the earth rotating randomly with the method of quaternion and brings forward a method named bowstring-arc mapping, which is used to make viewpoint roam on the earth surface at random.
在此基础上,本文分别讨论了适合于与球形物体进行交互式操作的基本方法:采用四元数的方法解决地球的任意旋转问题;采用一种弦弧映射的近似方法实现在球面上任意两点间的漫游;采用OpenGL提供的特殊函数,结合数据库技术实现三维图形与物体属性之间的双向查询。
补充资料:弧弦
1.谓开弓张弦。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条