“pigs weaned per sow per year”的概念、定义、翻译、参考文献-科学参考

单词	pigs weaned per sow per year
释义	pigs weaned per sow per year Encyclopedia 农学[猪生产学]释 pigs weaned per sow per year；PSY每头母猪年提供断奶仔猪数平均每头已配种母猪每年提供的断奶仔猪数量。
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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。