短語(yǔ)詞組短語(yǔ)gravitational residual anomaly 剩余重力異常feature of gravitational precursory anomaly 重力前兆異常特征gravitational and magnetic anomaly 重磁異常local gravitational anomaly 局部異常gravitational anomaly method 引力反常方法regional gravitational and magnetic anomaly 區(qū)域重磁異常場(chǎng) 返回 gravitational anomaly