“sporadic E layer”的概念、定义、翻译、参考文献-科学参考

单词	sporadic E layer
释义	sporadic E layer [spǝ`rad·ik `ē ´lā·ǝr] ^GEOPHYSICS A layer of intense ionization that occurs sporadically within the E layer; it is variable in time of occurrence, height, geographical distribution, penetration frequency, and ionization density.
随便看	sherry topaz Sherwood number shetland Shetland sheep SHF Shield shield shield basalt shield cone shielded arc welding shielded-conductor cable shielded joint shielded line shielded metal-arc welding shielded pair shielded wire shield factor shield grid shield-grid thyratron shielding shielding distance shielding factor shielding gas shielding layer shielding ratio

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