geomagnetic activity index
英 ˌdʒiːəʊmæɡˈnetɪk ækˈtɪvɪti ˈɪnˌdɛks
基本释义
地磁活动指数
实用场景例句
学术讨论
Researchers monitor the infrequently occurring celestial events with telescopes.
研究人员通过望远镜监测不经常发生的天体事件。
He infrequently attends conferences, preferring to focus on writing.
他很少参加会议，更喜欢专注于写作。
Infrequently, the old mine shafts collapse due to ground instability.
由于地质不稳定，这些老矿洞偶尔会坍塌。
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