To get the bestfitting line, you find the line that minimizes the sum of squared distances.
要找到最切合的直线，就是要使，这些距离的平方和最小。
2
Desktop software to show and search the bestfitting, aimed to choose better pre-form (3d design) on gems.
桌面软件用来展示和查找最合适的，目的是选择最好的3d检测器。
3
Aiming at the error between original design and large scale and complex rough casting, a gradient (simulated) annealing algorithm for the bestfitting method is presented.