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)。
词源
1930s: arbitrary use of the letter E, + LAYER.
单词 | E-layer |
释义 | E-layernoun
词源 1930s: arbitrary use of the letter E, + LAYER. |
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