[求助] cBR测力环工作曲线 [复制链接]

力kN             指示器示值（mm）®2ÓB(ôÄÝbbs.3c3t.comº¤Á÷·¿Çl
0                    1.000®2ÓB(ôÄÝbbs.3c3t.comº¤Á÷·¿Çl
3                    1.278®2ÓB(ôÄÝbbs.3c3t.comº¤Á÷·¿Çl
5                    1.458®2ÓB(ôÄÝbbs.3c3t.comº¤Á÷·¿Çl
10                    1.898®2ÓB(ôÄÝbbs.3c3t.comº¤Á÷·¿Çl
15                    2.340®2ÓB(ôÄÝbbs.3c3t.comº¤Á÷·¿Çl
20                    2.790®2ÓB(ôÄÝbbs.3c3t.comº¤Á÷·¿Çl
25                    3.242®2ÓB(ôÄÝbbs.3c3t.comº¤Á÷·¿Çl
30                    3.700®2ÓB(ôÄÝbbs.3c3t.comº¤Á÷·¿Çl
a  b的单位为N/0.01mm®2ÓB(ôÄÝbbs.3c3t.comº¤Á÷·¿Çl
急求次应力环方程Y=ax+b 中a  b的值分别为多少®2ÓB(ôÄÝbbs.3c3t.comº¤Á÷·¿Çl