Beamysn.长尾巨鼠属beamvi.微笑；发光vt.播送；发射；用梁支撑n.桁条；光线；(光线的)束；(横)梁Beam - forming波束形成beam instability束不稳定性,束粱稳定性,二束不稳定性beam candlepower射束烛光beam-splittingn.射束分裂；分光的adj.射束分裂；分光的beam conductance电子注电导beam transmitter定向发射机,波束发射机beam lithography射束刻蚀法beam neutralizer束中和器beam collimation光束准直,束良直beam center gain波束中心增益