与臭氧层类似，磁层对地球生物至关重要，绝大多数来自太阳的有害射线和热等离子体都被地球磁层折射回太空，从而使我们免受伤害。
Like the ozone layer, the magnetosphere is important to life on Earth because it protects us from most of the harmful radiation and hot plasma from the Sun, deflecting it into space.
它涵盖对宇宙从最大的星系到亚原子粒子整个空间范围的研究，覆盖力学、辐射、热、电、声、磁和原子结构等等。
It encompasses the study of the universe from the largest galaxies to subatomic particles, covering mechanics, radiation, heat, electricity, sound, magnetism and the structure of atoms.
塑壳断路器通常含有热磁跳脱单元，而大型号的塑壳断路器会配备固态跳脱传感器。
Molded case circuit breakers usually contain thermal-magnetic trip units, although larger sizes can be equipped with solid state trip sensors.
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