单词：GDS
[计] 通用数据库系统, 广义数据结构, 图形显示系统, 图形数据系统
n a nerve agent easily absorbed into the body; a lethal cholinesterase inhibitor that is highly toxic when inhaled
n a ductile silvery-white ductile ferromagnetic trivalent metallic element of the rare earth group
n a ductile silvery-white ductile ferromagnetic trivalent metallic element of the rare earth group