P wave | |
med. | 初波 |
sport. med. | P波; P 波 |
tech. | 地震纵波; P 波; 纵波; 疏密波 |
P-wave | |
chem. | 初波 |
eng.geol. | P波 |
geophys. | 纵波 |
downgoing : 25 phrases in 6 subjects |
Drilling | 1 |
Engineering geology | 1 |
Geophysics | 2 |
Oil / petroleum | 19 |
Technology | 1 |
United Nations | 1 |