略語大辞典 [L] 27 DS dispersive section (自由電子レーザー用電子加速器の磁場)分散部分(領域). dispersive section; of a magnetic field; in an electron accelerator; e.g. for a FEL(free electron laser); [L:Opt:Phys]. 丸善「略語大辞典」JLogosID : 11872472