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地层因数 | |
tech. | formation factor |
指数 | |
hydroel.st. | exponent |
math. | characteristic |
stat. | index number |
tech. | index; index mark |
EMP指数 | |
IMF. | EMP index |
Laspeyres指数 | |
IMF. | base-weighted price index; base-weighted index; Laspeyres index |
| |||
formation factor |
地层因数 : 20 phrases in 4 subjects |
Geology | 1 |
Geophysics | 11 |
Oil / petroleum | 4 |
Technology | 4 |