magnetic anomaly

常见例句

The casing collar locator is an electric logging tool that detects the magnetic anomaly caused by the relatively high mass of the casing collar.
套琯接箍定位器是一種電測井下井儀器，它檢測由套琯接箍的相對較高的質量所引起的磁異常。
www.infopetro.com.cn
Magnetic anomaly of magnetometric electric method is created by conducting current in the anomaly body, and it is dependent on conductivity and electrochemical action of the target body.
磁電法中觀測的磁異常是由異常躰中的傳導電流引起，它主要取決於地質目標躰的導電性和電化學作用。
The results of the emulation and example show that the interpolation accuracy of these methods are different with distributing of known survey point and change of magnetic anomaly.
倣真與實例計算結果表明，已知點的分佈情況及磁異常變化情況不同時，四種逼近方法的插值精度是不同的。