| |||
primary production | |||
basic-level production |
初级生产: 30 phrases in 11 subjects |
Agriculture | 4 |
Animal husbandry | 1 |
Commerce | 2 |
Desert science | 7 |
Earth sciences | 2 |
Economy | 4 |
Fish farming pisciculture | 1 |
International Monetary Fund | 2 |
Research and development | 1 |
Technology | 5 |
Textile industry | 1 |