| |||
shot density |
孔密度 : 44 phrases in 11 subjects |
Agriculture | 2 |
Ecology | 1 |
Electronics | 1 |
Engineering geology | 1 |
Explosives and Explosive Ordnance Disposal | 5 |
Geophysics | 11 |
Metallurgy | 2 |
Oil / petroleum | 11 |
Plastic surgery | 1 |
Space | 2 |
Technology | 7 |