beamishadj.春风得意的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-modulating disk光束调制盘beam programs at Russia向苏联广播Beampattem optimization波束优化beam focusing electrode电子束聚焦电极beam-plasma amplifier等离子束放大器beam restricting device(X线)光束限制装置beam/slab structures梁板结构beam energy subtraction束流减影(法)beam-addressed memory束选址存储器beam-index color tube[电] 束指数彩管