龄级: age-class期: designated time龄级表: age-class table年龄级: age class; year class不稳定龄级: unstable age class法正龄级: normal age-class龄级分布: age class distribution龄级结构: age class structure龄级顺序: gradation of age classes龄级组判读: stand age cla in photo interpretation; stand age class in photo interpretation年龄级差: age grading同龄级木: age class优势龄级: dominant age class法正龄级分配: normal age-class distribution法正龄级配置: normal age-class arrangement林分龄级组成: stand age class organization数学二年级期第一学期末测试题: zsa龄记录仪: rheograph龄阶: age grade龄模型: rheology model龄过程: rheological processes