vulcanism

基本解释

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They're not so much the result of the planet's vulcanism as they are the cause of it.
它们既不是这星球上火山作用的结果，也不是原因。”
Caldera: A broad, crater-like basin of a volcano, formed by an explosion or by collapse of the cone of the volcan.
火山口:火山上类似弹坑的宽阔盆地,它是由火山爆发或火山尖顶塌陷而形成的。
Spectrum analyses have been done to 24 microseisms occurred in Tengchong volcan o areas and nearby by digital data recorded at mobile seismic stations.
利用腾冲火山地区流动数字化地震台网的微震资料，对发生于火山区内及附近地区的24个微小地震事件进行波谱分析。
In the overlapped fault volcan ic basin there occurred extensive magmatic rock consisting of potassium_rich int ermediate_basic to alkaline volcanic rocks and lamprophyre.
在上叠构造断陷_火山盆地单元内，广泛分布幔源岩浆岩，包括中基性到碱性的侵入岩、富钾火山岩和煌斑岩；