国际地磁参考场与局部地磁场模型的研究，具有深远的学科意义与巨大的实用价值。
The researches on international geomagnetic reference field model and regional geomagnetic field model have profound scientific significance and are of great practical value.
利用第10代国际参考地磁场模型(IGRF)的资料，研究了地磁位的谐波振幅的纬度分布及其时间变化。
Using the 10th International geomagnetic Reference Field (IGRF) models, the latitudinal distribution of harmonic amplitude and its time-variation of geomagnetic potential are investigated.
针对现有地磁场模型精度偏低、模型边界效应等问题，深入分析了传统补充国际地磁参考场值的缺陷。
Taking aim at lower precision and boundary effect of the current region geomagnetic field model, the shortage of appending the IGRF data to the regional boundary was analyzed deeply.
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