1) circular arch problem
圆拱形问题
1.
Petrov-Galerkin method for the circular arch problem;
圆拱形问题的Petrov-Galerkin方法
2) circle packing problem
圆形packing问题
1.
To solve the circle packing problem that encounters in the field of transportation of freight, a heuristic algorithm is proposed for finding a good arrangement of multiple different-sized circles within a larger rectangular container.
求解具有NP难度的圆形packing问题具有很高的理论与实用价值。
3) circle-rectangular mixed packing problem
圆形与矩形Packing问题
4) semi-circular arch
半圆形拱
1.
The calculation of semi-circular arch under function of wanton vertical load;
任意竖直荷载作用下半圆形拱计算
5) Circular arches
圆形拱
6) oval arch
椭圆形拱
补充资料：化圆为方问题
见“尺规作图不能问题”(977页)。
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