[求助] cBR测力环工作曲线 [复制链接]

力kN             指示器示值（mm）ÅïQÐYÞª;bbs.3c3t.comDaÅ"EÁyÈÆÐ
0                    1.000ÅïQÐYÞª;bbs.3c3t.comDaÅ"EÁyÈÆÐ
3                    1.278ÅïQÐYÞª;bbs.3c3t.comDaÅ"EÁyÈÆÐ
5                    1.458ÅïQÐYÞª;bbs.3c3t.comDaÅ"EÁyÈÆÐ
10                    1.898ÅïQÐYÞª;bbs.3c3t.comDaÅ"EÁyÈÆÐ
15                    2.340ÅïQÐYÞª;bbs.3c3t.comDaÅ"EÁyÈÆÐ
20                    2.790ÅïQÐYÞª;bbs.3c3t.comDaÅ"EÁyÈÆÐ
25                    3.242ÅïQÐYÞª;bbs.3c3t.comDaÅ"EÁyÈÆÐ
30                    3.700ÅïQÐYÞª;bbs.3c3t.comDaÅ"EÁyÈÆÐ
a  b的单位为N/0.01mmÅïQÐYÞª;bbs.3c3t.comDaÅ"EÁyÈÆÐ
急求次应力环方程Y=ax+b 中a  b的值分别为多少ÅïQÐYÞª;bbs.3c3t.comDaÅ"EÁyÈÆÐ