结构单元
判别方程
A
YA = −121.609 + 0.687GR + 1.01RT + 2.167AC
B
YB = −89.337 + 0.425GR + 0.953RT + 2.04AC
C
YC = −81.583 + 0.163GR + 1.111RT + 2.148AC