basic activity
| subset
| basic activity | |
| multimed. | 基本活动 |
| subset | |
| avia. | 用户电话机 |
| corp.gov. | 子群 |
| corp.gov. од. | 子集 |
| IMF. | 子集 |
| oil | 附属设备 |
| stat. | 子1/4 |
| telecom. | 子设备; 用户设备; 用户话机 |
| |||
| 基本活动 | |||
|
basic activity : 3 phrases in 3 subjects |
| Electronics | 1 |
| Geography | 1 |
| Management | 1 |