“National Animal Disease Center”的概念、定义、翻译、参考文献-科学参考

单词	National Animal Disease Center
释义	National Animal Disease Center Encyclopedia 农学〔兽医组织、研究、教育机构〕释 National Animal Disease Center；NADC-USDA美国国家动物疾病研究中心美国农业部（United States Department of Agriculture，USDA）农业研究局（Agricultural Research Service，ARS）所属的动物疫病流行监测、诊断、卫生管理机构。
随便看	positive definite bi linear form positive definite bi-linear form positive definite closed form positive definite form positive definite function positive definite functional positive definite Hermitian matrix positive definite inner product axiom positive definite kernel positive definite matrix positive definiteness positive definite operator positive definite potential positive definite product positive definite quadratic form positive definite scalar product positive definite sequence positive definite solution positive definite space positive definite tensor positive definte rational fanction positive deviation positive diffeomorphism positive diffeomorphisms positive differential

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。