Per

0.989

−0.090

0.970

IP

0.873

−0.471

0.933

DBahA

0.937

−0.179

0.983

BghiP

0.902

−0.394

0.955

方差贡献率/%

77.2

12.0

88.3

累计方差贡献率/%

77.2

89.2

88.3