“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	load density of distribution network load distance load-drain control console loaded and fastened on wagons of railway goods loaded impedance loaded integral equation loaded line loaded Q factor loaded Q-factor loaded standby loader loader cranes load error load factor load-factor load forecasting load forecast of distribution network load for highway engineering structure load-hual-dump automatic weighing，LHD automatic weighing load-hual-dump location unloading，LHD location unloading load identification Load-In loading loading and handling loading and unloading machinery

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。