| 单词 | proton-precession magnetometer |
| 释义 | > as lemmasproton-precession magnetometer proton-precession magnetometer n. = proton magnetometer n. ΚΠ 1958 Jrnl. Geophysical Res. 60 880 The proton-precession magnetometer has been successfully adapted..for measuring the horizontal and vertical components of the earth's magnetic field. 1988 New Yorker 22 Feb. 48/2 When he became interested in paleomagnetism, in the middle nineteen-fifties, he developed an airborne proton-precession magnetometer, learned to fly, and flew all over Iceland. < as lemmas |
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