magnetic anomaly

常見例句

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(zhì)量所引起的磁異常。
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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(zhì)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。