| |||
reductometry source | |||
reference source | |||
calibration source |
参 考源 : 19 phrases in 9 subjects |
Electronics | 5 |
General | 1 |
Geophysics | 1 |
Information technology | 1 |
Librarianship | 1 |
Oil / petroleum | 4 |
Project management | 1 |
Technology | 3 |
Telecommunications | 2 |