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中国的珍稀孑遗植物
释义
中国的珍稀孑遗植物
Encyclopedia
理学
中国植被地理
释
rare and relic plant of China
中国的珍稀孑遗植物
中国起源古老,某一地质历史时期遗留下来的植物。孑遗植物,又称活化石植物。
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principal mapping
principal matrix
principal maximum
principal measure
principal minimum
principal minor
principal minor array
principal minor determinant
principal module
principal moment
principal moment of inertia
principal net of a mapping
principal net of the flow
principal neutral point
principal nilpotent orbit
principal norm
principal normal
principal normal complex
principal normal form
principal normal line
principal normal plane
principal normal section
principal normal surface
principal normal vector
principal number
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