magnetic matrix north pole北磁极
magnetic-north pole磁北极
magnetic matrix north地磁北极
magnetic floating north finder磁悬浮寻北仪
magnetic c north pole磁北极
magnetic c north磁北
magnetic matrix north line磁北线
pole magnetic north地磁北极
The Magnetic North书名
N(名词) the direction in which a compass needle points, at an angle (the declination) from the direction of true (geographic) north 磁北; 罗盘针指出的方向,与地理位置上的北方呈一定的倾斜