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whistle
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whistle
Encyclopedia
工学
磁层电磁波
释
whistle
哨声
雷电激发的电磁波的声频部分能以近似纵向的右旋非常波模式穿透电离层,并近似地沿地球磁场的磁力线在两个半球的磁共轭点之间传播的现象。
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whistle
①哨子 ②哨声
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