| |||
| 婚姻级别制度 | |||
| 轮换制选举公司董事时，除首届外每年只轮选其中一部分董事的选举制度 | |||
|
class system : 17 phrases in 13 subjects |
| Agriculture | 1 |
| Business | 1 |
| Electronics | 1 |
| Ethnology | 4 |
| Finances | 1 |
| Geology | 1 |
| International trade | 1 |
| Law | 1 |
| Project management | 1 |
| Scientific | 1 |
| Sociology | 2 |
| Technology | 1 |
| Textile industry | 1 |