“geomagnetic secular variation”的概念、定义、翻译、参考文献-科学参考

单词	geomagnetic secular variation
释义	geomagnetic secular variation Encyclopedia 理学地球基本磁场释 geomagnetic secular variation地磁场长期变化地球基本磁场随时间的缓慢变化。长周期变化一般来自地球内部原因。又称地磁场世纪变化。
随便看	excursion set excursion set model excursion space Excursion to Xiechuan excuse excusive transition excyst excystment ex-dividend date executable file executable program execute the death penalty immediately executing component execution execution after autumn trail execution-banned month Execution in Autumn execution in autumn or winter execution of a contract execution of Liu Yusheng execution of official document execution of sentence execution of the three sets of relatives execution socialization executive airplane

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