V2EX ionosphere

Ionosphere

释义 Definition

电离层:地球大气上层(约 601000 公里)中受太阳紫外线和X射线影响而被电离、含有大量带电粒子的区域。它能影响无线电波传播与卫星通信。(该词也可泛指其他行星的大气电离层。)

发音 Pronunciation (IPA)

/ansfr/

例句 Examples

The ionosphere reflects some radio waves back to Earth.
电离层会把一些无线电波反射回地面。

During the solar storm, changes in the ionosphere disrupted GPS signals and long-distance communications.
太阳风暴期间,电离层的变化干扰了 GPS 信号和远距离通信。

词源 Etymology

ionosphereion(离子,来自希腊语 ion,“行进者”,指带电粒子在电场中“移动”)+ -sphere(球层、范围,来自希腊语 sphaira,“球”)构成,字面意思是“离子的球层/层”。该术语在 20 世纪随着高层大气与无线电传播研究的发展而普及。

相关词 Related Words

文学作品 Literary Works

  • Arthur C. Clarke2001: A Space Odyssey》(《2001太空漫游》):作品中涉及航天与通信背景时常提到地球空间环境(包括电离层等概念)。
  • Jules VerneFrom the Earth to the Moon》(《从地球到月球》):作为早期科幻经典,在讨论大气与太空边界等内容时可见相关术语与概念脉络(含电离层/高层大气的讨论语境)。
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