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编者注：本词条为中国台湾地区学术名词用语，仅供参考。
单词
桦脑
释义
Betulin C36H6O3
桦脑
林学
betula camphor; betulin; betulinol
桦脑
C
30
H
50
O
2
化学名词-有机化合物
birch camphor
桦脑
生物学名词-植物
随便看
principal central axis
principal character
principal chord
principal city
principal climatological station
principal component
principal component analysis
Principal Component Analysis
Principal component analysis{=PCA}
principal-component analysis {= PCA}
principal component analysis {=PCA}
principal component analysis; PCA
principal component analysis{=PCA}
principal component estimate
principal component factor analysis
principal components
principal components analysis
Principal components analysis{=PCA}
principal components analysis{=PCA}
principal components regression
principal component transform
principal component transformation
principal composition series
principal congruence
principal congruence subgroup
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更新时间：2026/1/22 11:21:18