electromagnetic methods的用法和樣例：
例句
用作名詞 (n.)
- EM exploring methods are less disturbed by ground conditions, and can be carried out continuously and efficiently.
電磁法探測地下水受地麵條件影響較小，可以連續測量，成本低廉。 - As in other electromagnetic sounding methods,static offset and correction also arise in frequency-domain electromagnetic sounding.
在電磁法勘探中，頻率域電磁測深法也存在靜態偏移與校正問題。
