[求助] cBR测力环工作曲线 [复制链接]

力kN             指示器示值（mm）³‚èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê
0                    1.000³‚èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê
3                    1.278³‚èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê
5                    1.458³‚èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê
10                    1.898³‚èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê
15                    2.340³‚èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê
20                    2.790³‚èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê
25                    3.242³‚èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê
30                    3.700³‚èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê
a  b的单位为N/0.01mm³‚èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê
急求次应力环方程Y=ax+b 中a  b的值分别为多少³‚èE7c²'bbs.3c3t.comë(Ò@Ì·%2ê