化圆为方

高精度的化圆为方和立方倍积作图法

High Precision Graphic Methods for Squaring Circular Area and Multiplying Cubic Volume

从数学家面前混过去比「化圆为方」还难。

It is easier to square the circle than to get round a mathematician .

用阿基米德螺线能成功地解决化圆为方的问题，方法很简单。

A neat solution of the quadrature problem can be achieved with the spiral of Archimedes .

又一个化圆为方猜想，又一场数学新闻组里的互相乱喷&也许更严重？

Another cubed-sphere hypothesis , another flame war in the math newsgroups & or something more serious ?

针对提升机主轴外形为圆弧状且含表面裂纹，提出了化圆为方方法将其转化为方形结构，减小了建立含表面裂纹主轴有限元模型的难度。

According to arc profile and feature of surface crack , the approach of " circularity transformed to square " is brought forward , which makes the finite computation module of winder axle containing surface crack simplify .