“breeding pyramid”的概念、定义、翻译、参考文献-科学参考

单词	breeding pyramid
释义	breeding pyramid Encyclopedia 农学动物育种释 breeding pyramid育种金字塔由育种群、扩繁群、生产群构成的具有金字塔特点的育种和生产群体结构。
随便看	metal abundance metal additive manufacturing metal air battery metal-air battery metal air cell metal-air cell metal-air fuel cell metal alkenyl metal alkenyl; alkenyl metal metal alkynyl metal alkynyl; alkynyl metal metal and semiconductor contact meta language meta-language metalanguage metalanguistic metalanguistic formula metalanguistic variable metalate metalation metalaxyl metal-back metal balance of mineral processing plant metal-based MEMS metal-base transistor

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。