颗粒 分 析 : 62 phrases in 12 subjects |
Animal husbandry | 1 |
Architecture | 1 |
Bridge construction | 2 |
Compressors | 1 |
Desert science | 3 |
Earth sciences | 4 |
Electronics | 3 |
Engineering geology | 2 |
Hydroelectric power stations | 6 |
Oil processing plants | 1 |
Soil science | 2 |
Technology | 36 |