[求助] cBR测力环工作曲线 [复制链接]

力kN             指示器示值（mm）&_(ï „0«bbs.3c3t.comé£:W°¥Ù°¶
0                    1.000&_(ï „0«bbs.3c3t.comé£:W°¥Ù°¶
3                    1.278&_(ï „0«bbs.3c3t.comé£:W°¥Ù°¶
5                    1.458&_(ï „0«bbs.3c3t.comé£:W°¥Ù°¶
10                    1.898&_(ï „0«bbs.3c3t.comé£:W°¥Ù°¶
15                    2.340&_(ï „0«bbs.3c3t.comé£:W°¥Ù°¶
20                    2.790&_(ï „0«bbs.3c3t.comé£:W°¥Ù°¶
25                    3.242&_(ï „0«bbs.3c3t.comé£:W°¥Ù°¶
30                    3.700&_(ï „0«bbs.3c3t.comé£:W°¥Ù°¶
a  b的单位为N/0.01mm&_(ï „0«bbs.3c3t.comé£:W°¥Ù°¶
急求次应力环方程Y=ax+b 中a  b的值分别为多少&_(ï „0«bbs.3c3t.comé£:W°¥Ù°¶