英语词汇“magnetic secular change”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	magnetic secular change
释义	magnetic secular change magnetic secular change [mag′ned·ik ¦sek·yə·lər ′chānj] (geophysics) The gradual variation in the value of a magnetic element which occurs over a period of years.
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