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1·The human body is influenced by terrestrial magnetic field at anytime and anywhere.

人的身体会受到地磁场的影响。

2·According to the influence of the perpendicular direction magnetic field upon the optical magnetic resonance signal, the perpendicular terrestrial magnetic field are measured.

文章根据垂直方向磁场对光泵磁共振信号的影响，来测定地球磁场的垂直分量的大小。

3·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。

4·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。