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雁行 | |
tech. | echelon |
式 | |
gen. | a system |
avia. | system |
met. | type |
sport. | style; formula |
wushu. | form |
A式 | |
scub. | position A |
B式 | |
scub. | position B |
C式 | |
scub. | position C |
裂缝 | |
hydroel.st. | break |
| |||
echelon |
雁行: 22 phrases in 6 subjects |
Desert science | 2 |
Engineering geology | 1 |
General | 1 |
Hydroelectric power stations | 2 |
Oil / petroleum | 4 |
Technology | 12 |