由尘埃颗粒组成的基浪从爆炸中心向外移动，继而顺风散开。
The base surge of dirt particles moves outward from the center of the explosion and is subsequently carried downwind.
吉林龙岗火山群火山碎屑基浪堆积是中国少数保存较好的、近代喷发的低平火山区之一。
Pyroclastic base-surge deposits of volcanic cluster in the Longgang region of Jilin Province is one of the few neoteric maar deposits which are preserved in good condition in China.
由尘埃颗粒组成的基浪从爆炸中心向外移动，继而顺风散开。
These particles constitute the cores of the interstellar dust grains that may be coated with ice.
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