atomic ABC美国广播公司atomicadj.原子的Atomic emisson spectrometry发射光谱法atomic fluorescent standard原子荧光光谱法atomic spectrum of hydrogen氢原子光谱atomic demolition munitions原子爆破弹药atomic spontaneous emission原子自发辐射atomic hydrogen welded tube原子氢焊接管Atomic Energy Control Board原子能控制部(加拿大)atomic particle's occupancyatomic emission spectrometry原子发射光谱法atomic fractional coordinate原子份数坐标