This make person it with terrestrial magnetism abnormality the contact is together.

这使人把它和地磁异常联系在一起。

These works is significance for doing well digital observation and improving the observation quality of terrestrial magnetism.

对做好地磁数字化观测工作，提高地磁资料的观测质量有一定参考意义。

An improved method is introduced, through which terrestrial magnetism can be measured and the absorbed phenomenon of double-radiation oscillator emerging in experiments is illustrated.

给出一种测量地磁的新方法，解释了实验中出现的双射频子吸收现象。