“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	ultimate strength ultimate strength design method ultimate strengthdesign method ultimate tensile strength ultimate uniform boundness ultimate vacuum ultimatum Ultime Secret ultor ultra- ultra-acoustic ultrabarrelled ultrabarrelled space ultrabasic glass ultrabasic rock ultrabornological ultrabornological space ultraboundedness ultra bright ultra broadband seismometer ultracentrifugal ultra-centrifugal sedimentation ultracentrifugation ultracentrifuge ultracharacteristic subgroup

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