[求助] cBR测力环工作曲线 [复制链接]

力kN             指示器示值（mm）t„ç~ØHE9bbs.3c3t.com9H¯}-9:
0                    1.000t„ç~ØHE9bbs.3c3t.com9H¯}-9:
3                    1.278t„ç~ØHE9bbs.3c3t.com9H¯}-9:
5                    1.458t„ç~ØHE9bbs.3c3t.com9H¯}-9:
10                    1.898t„ç~ØHE9bbs.3c3t.com9H¯}-9:
15                    2.340t„ç~ØHE9bbs.3c3t.com9H¯}-9:
20                    2.790t„ç~ØHE9bbs.3c3t.com9H¯}-9:
25                    3.242t„ç~ØHE9bbs.3c3t.com9H¯}-9:
30                    3.700t„ç~ØHE9bbs.3c3t.com9H¯}-9:
a  b的单位为N/0.01mmt„ç~ØHE9bbs.3c3t.com9H¯}-9:
急求次应力环方程Y=ax+b 中a  b的值分别为多少t„ç~ØHE9bbs.3c3t.com9H¯}-9: