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| 单词 | micropulsation |
| 释义 | > as lemmasmicropulsation micropulsation n. Brit. , U.S. a small oscillation in the strength of the earth's magnetic field.ΘΚΠ the world > matter > physics > electromagnetic radiation > magnetism > earth magnetism > [noun] > small oscillation micropulsation1949 1949 Proc. Japan Acad. 25 ix. 24 A remarkable micropulsation of dH/dt at the sudden commencement [of the magnetic storm] frequently took places [sic] during the summer and equinox, while it is weak during the winter. 1978 Nature 13 July 121/2 It is difficult to establish the exact nature of the relationship between auroral pulsations and fluctuations in the Earth's magnetic field, called micropulsations. < as lemmas |
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