词汇	axial pencil
释义	axial pencil 轴向光束,平面束
随便看	first nodules First nonzero eigenvalue first normal first normal form first normal form, 1FN first normal stress coefficient first normal stress difference first normal-stress difference First Norman-Byzantine War First Northern War first notice day First notional bank of boston first notions first nozzle first nucleotide binding domain first nucleotide-binding domain first number first numeral First nursery rhyme in Chinese first obligation first obligations first oblique first observer's seat first observer's seatfolded first obstruction