本文用典型事件和统计分析论证了行星际磁场北向分量触发地磁扰动的可能性。
The possibility of triggering the geomagnetic disturbances by the northward Bz component of the IMF is discussed using some typical events and statistical analyses.
此线的东北与西南，地磁湾扰、磁暴急始等短周期事件垂直分量的变化△z 呈现反号。
Z (Changes in the Vertical field) for the sudden storm commencements and geomagnetic bays to the northeast and southwest of this line appear opposite in signs.
地磁场水平分量的测量在很多领域占重要地位。
The measurement of horizontal component of the geomagnetic field occupies the important position in a lot of fields.
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