ゲンシワクセイケイエンバン
Composed of
origin; beginning; genesis; primeval; primordial; primitive
planetary system; star system
disk; discus; flying saucer; disc media (CD, DVD, etc.)
Composed of
system; lineage; corollary; system (range of strata that correspond to a particular time period); (taxonomical) series; -type
disk; discus; flying saucer; disc media (CD, DVD, etc.)