magnetic crochet

名词 n.
中文释义

英文释义

名词 n.
  1. A portion of a magnetograph recording showing electric currents in the Earth's ionosphere caused by a solar flare, identified by its characteristic shape, likened to a crochet hook.
    — Figure 3 illustrates the short wave fade-out and the magnetic crochet, both of which endure only so long as the burst of x-rays from the flare continues.

词形变化

magnetic crochets plural
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