结构单元
判别方程
A
YA = −81.962 + 1.379GR + 2.361RT + 1.388CNL
B
YB = −55.661 + 1.115GR + 2.269RT + 1.158CNL
C
YC = −36.743 + 0.802GR + 2.36RT + 1.102CNL