| 单词 | magnetic anomaly |
| 释义 | > as lemmasmagnetic anomaly magnetic anomaly n. a local deviation from the general pattern of the earth's magnetic field. ΘΚΠ the world > matter > physics > electromagnetic radiation > magnetism > earth magnetism > [noun] > local variation magnetic anomaly1899 magnetic variation1937 1899 Jrnl. Brit. Astron. Assoc. 9 134 (heading) Magnetic anomalies in Russia. 1929 A. S. Eve & D. A. Keys Appl. Geophysics ii. 38 Three auxiliary magnets of different strengths are usually carried in order to provide for the measurement of large magnetic anomalies and thus extend the range of measurement. 1971 Nature 5 Feb. 374/2 The magnetic evidence for seafloor spreading is based on the pattern of the linear magnetic anomalies which lie over and to the sides of mid-oceanic ridges. 1992 S. Logie Winging It iii. 50 CAE..did a very nice business in airborne magnetic anomaly detection equipment. < as lemmas |
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