“鱼类年龄结构”的概念、定义、翻译、参考文献-科学参考

单词	鱼类年龄结构
释义	鱼类年龄结构 Encyclopedia 农学鱼类年龄结构释 fish age structure鱼类年龄结构鱼类种群中各龄鱼数与种群总数的比率。是鱼类种群结构的最重要特征。
随便看	single event effect single event functional interrupt single event gate rupture single event latchup single event transient single event upset single event upset，SEU single explosives single exposure single factor alternate experiment single-factor bionics/simple bionics single factor design single-factor experiment single-factor interest rate model single-factor method single factor of safety method Single factor productivity measurement method Single family single-family housing single family unit，SFU single-fator fertilizer trial single fault single flow passage impeller single-fluid description single-fluid theory

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。