“VLF-EM”的概念、定义、翻译、参考文献-科学参考

单词	VLF-EM
释义	VLF-EM Encyclopedia 理学甚低频电磁法释 very low frequency electromagnetic method; VLF-EM甚低频电磁法一种以大功率甚低频通讯电台所发射的电磁波为场源，通过在地表或空中测量电磁场的空间分布，获得地下数十米深度范围内电性异常信息的一种被动源电磁勘探方法。
随便看	circle of contact circle of convergence circle of curvature circle of declination circle of equal altitudes circle of friends circle of geodesic curvature circle of inversion circle of least confusion circle of longitude circle of meromorphy circle of perpetual apparition circle of perpetual occultation circle of position circle of qi in qigong exercise circle of reference circle of right ascension circle of similarity circle order circle orthotomic circle packing circle pedal curve circle point at infinity circle-point midpoint theorem circle point picking

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