Magnetic Declinometer
Declinometer, Magnetic
an instrument for observing diurnal variations of magnetic declination. It is sometimes used for underground surveying (determinations of magnetic azimuths at survey points).
| 单词 | magnetic declinometer |
| 释义 | Magnetic DeclinometerDeclinometer, Magnetican instrument for observing diurnal variations of magnetic declination. It is sometimes used for underground surveying (determinations of magnetic azimuths at survey points). |
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