Arrl[电] American RadioRelay League
ARRabbr.飞机无线电规程(=Aircraft Radio Regulations)
arrhythmic detector心律失常检测仪
arris-wise paving对角铺砌
arrogate to oneself冒称
arrears of interest拖欠利息
arrhythmia detector心律失常检出器
Arrhenius's formula
arrhythmia simulator心律失常模拟仪
arrears of dividends拖欠红利
Arrhenius's doctrine
arranging for system制度设计