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单词 E-layer
释义

Definition of E-layer in English:

E-layer

noun

  • A layer of the ionosphere able to reflect medium-frequency radio waves.

    E层（能反射中频无线电波的电离层）

    Example sentencesExamples
    • At the fully-developed stage, the fully-extended luminous body connected the cloud top at 15km with the E-layer ionosphere at 90km.
    • The effect of the Ampére force on inertio-gravity (IG) waves in the partially ionized ionospheric E-layer is considered.

Origin

1930s: arbitrary use of the letter E, + layer.
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更新时间：2024/9/21 17:56:37