magnetic signature

• 磁场特征

magnetic signature的用法和样例：

例句

1. In South China which lies in low latitudes ,there are large quantities of granites and volcanic rocks,whose magnetic fields are different from those in other areas.
   处于低纬度的华南发育了大量的花岗岩和火山岩，其磁场特征不同于其他地区。