词汇	trivial subgroup
释义	trivial subgroup 平凡子群
随便看	hand-held laser rangefinder Hand-held Laser Range-Finder handheld lighting Hand-held Machines Hand-held Maneuvering Unit hand held manual diluter hand held meltable metal cannulae hand-held meltable metal cannulae handheld metal detector handheld metal piece hand-held meter hand-held microcomputer hand-held microcomputers handheld microphone hand-held microphone handheld mike hand held minimonitor hand-held minimonitor handheld mobile device Handheld mobile devices Handheld mobile TV handheld-moibile-reader Hand Held Monitor hand-held multimedia system Hand-held Multimedia Terminal