Doppler beam sharpening
forward looking mono-pulse beam sharpening
long distance beam-beam interaction
beam camber [= camber of beam
beam to beam connection
beam to beam moment connection
beam width of Gaussian beam
Continuous beam turned from simple beam
continuous hollow slab beam erected as simple-supported beam in advance
Dual beam-focused ion beam
lower-beam (dipped beam) headlamp
main beam and junior beam