“age classes”的概念、定义、翻译、参考文献-科学参考

单词	age classes
释义	age classes Encyclopedia 农学森林经营方案释 age classes龄级整化了的林木年龄，是林业中表达林分或林木年龄的一个指标。
随便看	flat foot flat form flat function flat function germ flat glass flat graph flathead grey mullet flat holomorphic mapping flat ideal flat interferometer flat knitting machine flat knitting machine head flat knitting shaped shoe materials flat knitting sweater flat lapping block flat lock stitch sewing machine flat loom flat manifold flat mapping flat metallic gasket flat metric flat module flat morphism flat muscle flatness

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。