最終更新日：2024/08/05
The Kennelly-Heaviside layer is an important part of the Earth's ionosphere.
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The Kennelly-Heaviside layer is an important part of the Earth's ionosphere.
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The Kennelly-Heaviside layer is an important part of the Earth's ionosphere.
The Kennelly-Heaviside layer is an important part of the Earth's ionosphere.
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