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effective depth; significant depth | |||
effective height |
有效 深 度 : 26 phrases in 11 subjects |
Automobiles | 2 |
Drilling | 1 |
Earth sciences | 1 |
Ecology | 1 |
Electronics | 1 |
Engineering geology | 1 |
Hydroelectric power stations | 2 |
Metallurgy | 2 |
Oil / petroleum | 2 |
Technology | 12 |
Wind Energy | 1 |