英德
有道
百度
谷歌
图片
维基
百科
极盖 [jí gài]
polar cap
- 球墨管,生铁管及配件,阴沟盖极,钢管及五金建筑材料.
Fittings, Cast Iron Manhole Cover, Hardware &Building Materials. - 该异常场向电流对在极盖区形成瞬间昏晨电场，尾随原Ⅰ区电流向夜侧方向漂移直至湮没。
The anomalous FAC pair creates a transient dusk-dawn electric field over the polar cap, tailing behind the original region Ⅰ current and drifting towards the night side until it falls into oblivion. - 文中在§2—4分别叙述了这期间地磁场扰动、极盖区电波吸收观测与电离层变动情况、以及太阳耀斑与太阳射电爆发.
Main characteristics of geomagnetic storms, polar cap absorption (PCA) and ionosphere disturbances, solar flares and radio bursts, are briefly described.
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