元素

F1

F2

F3

Ag

0.414695

−0.092237

0.779934

Co

0.674903

−0.315743

−0.298316

Cu

0.744172

−0.286852

−0.397837

Pb

0.617014

0.746102

−0.013771

Sn

0.582056

−0.24385

0.411515

Zn

0.712249

0.649454

−0.050464

Sb

0.687298

−0.232153

0.043409

Fe

0.683147

−0.229265

−0.074596

特征值

3.223

1.324

1.033

方差贡献率/%

40.292

16.545

12.915

累计方差贡献率/%

40.292

56.836

69.751