| 单词 | concentric structure |
| 释义 | Definition of concentric structure in English:concentric structurenoun Geology
OriginMid 19th century; earliest use found in Charles Lyell (1797–1875), geologist. Definition of concentric structure in US English:concentric structurenoun Geology
OriginMid 19th century; earliest use found in Charles Lyell (1797–1875), geologist. |
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