行业均值(标准值)

i ¯

j ¯

k ¯

l ¯

m ¯

n ¯

电力设备–电池

20.19%

−17.50%

3.32%

3.87%

11.70%

0.0156

房地产开发

31.25%

−2.46%

1.36%

1.48%

4.98%

0.1274