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单词
ionospheric recorder
释义
ionospheric recorder
ionospheric recorder
[
‚ī‚än·ə′sfir·ik ri′kȯrd·ər
]
(electronics)
A radio device for determining the distribution of virtual height with frequency, and the critical frequencies of the various layers of the ionosphere.
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更新时间:2026/10/23 7:19:29