西北东部半干旱区一次极端特大暴雨的触发和维持机制
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Mechanism of trigger and maintenance during an extremely torrential rain in semi-arid region of eastern Northwest China
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图5. 2022年7月15日01:00—11:00庆阳平均闪电次数逐时演变 |
Fig.5. The hourly variation of mean lightning frequency from 01:00 BST to 11:00 BST July 15, 2022 in Qingyang |
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