| 词汇 | plane-convex |
| 释义 | Definition of plane-convex in English:plane-convexadjective
OriginMid 17th century; earliest use found in Philosophical Transactions of the Royal Society of London. Definition of plane-convex in US English:plane-convexadjective
OriginMid 17th century; earliest use found in Philosophical Transactions of the Royal Society of London. |
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