“粉饼”的概念、定义、翻译、参考文献-科学参考

单词	粉饼
释义	粉饼 puff cake
随便看	positive definite differential form of degree two positive definite form positive definite function positive definite Hermitian form positive definite Hermitian inner product positive definite Hermitian matrix positive definite Hermitian operator positive definite Hermitian transformation positive definite inner product positive definite integral form positive definite kernel positive definite matrix positive definiteness covariance positive definite operator positive definite quadratic form positive definite second variation positive definite sequence positive definite symmetric kernel positive definite symmetric matrices positive definite transformation positive delivery positive delivery of oil positive density positive derail positive deviation

科学参考收录了1248194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。