齡級
Age class
齡級結構
Age class structure
龍芽草
Agrimony
龐氏銜鯊
Acentrogobius bontii (Bleeker)
行政院農業委員會農業試驗所
Agricultural Research Institute, Council of Agriculture, Executive Yuan
農業學界科專
Academic ATDP
（催化劑的）抗磨耗性
Attrition resistance
Ａ染色體
A-chromosome
