Arrl[电] American RadioRelay League
ARRabbr.飞机无线电规程(=Aircraft Radio Regulations)
Arrhenius activation energy[化] 阿仑尼乌斯活化能
arranging and compiling data资料整编
Arrhenius viscosity formulas阿伦纽斯粘滞性公式
arrhenoblastoma atypical type非典型男性细胞瘤
Arrhenius acid-base concept[化] 酸碱电离论
arrhenotokous parthenogenesis产雄孤雌生殖属
arrhenotocous parthenogaresis产雄单性生殖
arrhenotocous parthenogenesis产雄孤雌生殖,产雄单性生殖