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law of superposition
释义
WordReference Random House Unabridged Dictionary of American English © 2024
law
′
of superposi
′
tion,
Geology
a basic law of geochronology, stating that in any undisturbed sequence of rocks deposited in layers, the youngest layer is on top and the oldest on bottom, each layer being younger than the one beneath it and older than the one above it.
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non-secure
nonself
nonself antigen
nonself-antigen
nonsense
nonsense syllable
nonsense verse
nonsensical
nonsensicality
nonsensically
nonsensicalness
non seq.
non seq
non sequitur
nonsexist
nonsighted
nonsingular
nonsked
nonskid
nonsmoker
nonsmoking
nonsolvency
nonsolvent
nonspecific urethritis
non-sporting dog
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更新时间:2026/8/7 15:38:31