“Sanhe cattle”的概念、定义、翻译、参考文献-科学参考

单词	Sanhe cattle
释义	Sanhe cattle Encyclopedia 农学兼用牛释 Sanhe cattle三河牛中国乳肉兼用牛品种。曾称滨州牛。
随便看	principal circle principal class principal coefficient of contraction principal cohomology class principal coincidence curve principal component principal component analysis principal component analysis and singular value decomposition principal component analysis (PCA) principal component analysis, PCA principal component analysis,PCA principal component clustering principal component discrimination principal component estimate principal component estimate of the coefficients in linear regression model principal component estimation principal component of order p principal component regression principal component regression method principal component regression method (PCR) principal component regression spectrophotometry principal components principal components analysis principal component transformation principal computable enumeration

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。