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volcanic theory
释义
volcanic theory
volcanic theory
[
väl′kan·ik ′thē·ə·rē
]
(astronomy)
A theory which holds that most features of the moon's surface were formed by volcanic eruptions, lava flows, and subsidences when lunar rocks were plastic. Also known as igneous theory; plutonic theory.
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更新时间:2026/9/30 5:00:22