“specific pathogen free herd”的概念、定义、翻译、参考文献-科学参考

单词	specific pathogen free herd
释义	specific pathogen free herd 无特定病原群
随便看	positivizaton positizing positizing polynomial positoning circuit positrino positrocephalogram positron positron annihilation positron-annihilation energy positron annihilation radiation positron beam positron camera positron decay positron-decay energy positron disintegration positron-electron annihilation positron-electron scattering positron emission positron emission conditions positron emission emission computer positronium positronium chemistry positron microtron positron radiation positron radiator

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。