age-grading

英['eɪdʒɡr'eɪdɪŋ] 美['eɪdʒɡr'eɪdɪŋ]
  • 龄级
  • age n.年龄;时代;时期;长时间v.(使)变老;(使)陈化
  • brandy n.白兰地酒v.以白兰地酒调制
  • of prep.关于;...的(表所属);出身于;由于
    1. The dry matter storage and water soluble sugar content in P. communis rhizomes increased in quadratic with increasing age class.
      随着龄级的增加,芦苇种群根茎的干物质贮量和水溶糖含量均呈二次曲线变化。