preference index
| function
| preference index | |
| anim.husb. | 嗜食性指数 |
| function | |
| gen. | 运行; 工作 |
| hydroel.st. | 作用 |
| interntl.trade. | 效用; 职能 |
| light. | 功能，用途 |
| math. | 运算 |
| met. | 功用; 用途 |
| |||
| 嗜食性指数 | |||
|
preference index : 6 phrases in 6 subjects |
| Business | 1 |
| Demography | 1 |
| Earth sciences | 1 |
| Geology | 1 |
| Mathematics | 1 |
| Statistics | 1 |