geomagnetic equator

geomagnetic-equator的词性：
n.（名词）

1. The imaginary great circle on the earth's surface formed by the intersection of a plane passing through the earth's center perpendicular to the axis connecting the north and south magnetic poles.
地磁赤道：想象中的地球表面的大圆，由飞机穿越垂直于连接南北磁极轴线的地球中心交叉线形成