For underwater bursts at certain depths, the radioactive cloud may not be formed. 當在水下某一深度爆炸時(shí)，放射性云團也許不會(huì )形成。
The pressure behind this shock wave drives an inward-moving shock wave that heats the ejecta, seen as the aqua cloud. 激波后的壓力驅使內行激波加熱物質(zhì)，也就是圖中淺綠色的云團。
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