利用球谐分析方法研究2017年九寨沟M<sub>S</sub>7.0地震前重力场变化

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李忠亚,胡敏章,郝洪涛,李辉

Resesrch on Gravity Field Variations Relative to 2017 Jiuzhaigou M_S7.0 Earthquake Based on Spherical Harmonic Analysis Method

LI Zhongya,HU Minzhang,HAO Hongtao,LI Hui

大地测量与地球动力学 . 2021, (9): 949 -953 .