The [terrestrial gamma-ray flash] produced high-speed electrons and positrons, which then rode up Earth's magnetic field to strike the spacecraft.
这些地面伽玛射线闪光产生了高速的电子和正电子，然后它们缩回到地球的磁场上去撞击航天器。
2
Another new discovery concerns Mercury's magnetic field. The planet, along with Earth, is alone among the terrestrial planets in having a global magnetic field.
另一个新发现是关于水星磁场的：水星和地球是所有的类地行星中有球星磁场的行星。
3
Net primary productivity (NPP) estimation is an important study field of global change and terrestrial ecosystems (GCTE).