[求助] cBR测力环工作曲线 [复制链接]

力kN             指示器示值（mm）ù׆Qôk}bbs.3c3t.comJ®;T•k×p8M
0                    1.000ù׆Qôk}bbs.3c3t.comJ®;T•k×p8M
3                    1.278ù׆Qôk}bbs.3c3t.comJ®;T•k×p8M
5                    1.458ù׆Qôk}bbs.3c3t.comJ®;T•k×p8M
10                    1.898ù׆Qôk}bbs.3c3t.comJ®;T•k×p8M
15                    2.340ù׆Qôk}bbs.3c3t.comJ®;T•k×p8M
20                    2.790ù׆Qôk}bbs.3c3t.comJ®;T•k×p8M
25                    3.242ù׆Qôk}bbs.3c3t.comJ®;T•k×p8M
30                    3.700ù׆Qôk}bbs.3c3t.comJ®;T•k×p8M
a  b的单位为N/0.01mmù׆Qôk}bbs.3c3t.comJ®;T•k×p8M
急求次应力环方程Y=ax+b 中a  b的值分别为多少ù׆Qôk}bbs.3c3t.comJ®;T•k×p8M