age-class的用法和樣例：
例句
- The dry matter storage and water soluble sugar content in P. communis rhizomes increased in quadratic with increasing age class.
隨著齡級的增加，蘆葦種群根莖的干物質貯量和水溶糖含量均呈二次曲線變化。
辭彙搭配
- stand age class organization 林分齡級組成...
- age class 年齡級
- dominant age class 優勢年齡組
- normal age-class 模式令級分配...
- normal age-class distribution 法正齡級分配...
