“母猪群更新率”的概念、定义、翻译、参考文献-科学参考

单词	母猪群更新率
释义	母猪群更新率 Encyclopedia 农学[猪生产学]释 replacement rate of sows母猪群更新率一个母猪繁殖群每年因母猪淘汰而需要补充的母猪数占该母猪种群的百分比。
随便看	totally symmetric self-complementary plane partition totally thin set totally transcendental theory totally umbilical totally umbilical hypersurface totally umbilical submanifold totally unimodular matrix totally unstable solution totally well-ordered set total magnetic field survey total magnetic intensity total magnitude total mapping total mass total matrix algebra total matrix ring total mean curvature total metal total mixed ration total moment total monodromy group total nitrogen analysis total nitrogen in water total noise level total norm residue

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。