常見例句雙語例句Y is tangential to the ground at the device's current location and points toward the geomagnetic North Pole.值是設(shè)備當(dāng)前所處位置與地磁北極的正切值。With geomagnetic field model records, several kinds of secular variation of geomagnetic dipole moment and the position of the geomagnetic north pole during the year 0~2000 A.利用地磁場(chǎng)模型資料，計(jì)算和分析了公元0～2000年的地磁場(chǎng)偶極子磁矩和地磁北極位置的長期變化。 返回 north geomagnetic pole