“配乐”概念、定义、翻译-科学时代

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

单词	配乐
释义	请查阅剧乐--配乐
随便看	principal cell principal challenge principal clause principal component principal component analysis principal component analysis principal component analysis principal component analysis principal component analysis （PCA） principal component estimate principal component regression analysis principal components analysis principal component transformation principal congruence principal contour principal contract principal contractor principal contradiction principal coordinate principal coordinate analysis principal coordinates principal coordinates principal crop principal current principal curvature