image section
| descriptor
| image section | |
| IT | 映像段 |
| descriptor | |
| avia. | 描述符号 |
| hydroel.st. | 主题词 |
| oil | 解说符; 描述符; 描述信息 |
| telecom. | 叙词 |
| work.fl. | 描述符; 叙词 |
| |||
| 映像段 | |||
|
image section : 5 phrases in 3 subjects |
| Agriculture | 2 |
| Electronics | 1 |
| Technology | 2 |