“magnetic diurnal variation”的概念、定义、翻译、参考文献-科学参考

单词	magnetic diurnal variation
释义	magnetic diurnal variation [mag`ned·ik dī`ǝrn·ǝl ´ver·ē`ā·shǝn] ^GEOPHYSICS Oscillations of the earth's magnetic field which have a periodicity of about a day and which depend to a close approximation only on local time and geographic latitude. Also known as magnetic daily variation.
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