the·mat·ic /θɪˈmætɪk/
  (a.)題目的,主題的,主旋律的
  The·mat·ic a.
  1. Gram. Of or pertaining to the theme of a word. See Theme, n., 4.
  2. Mus. Of or pertaining to a theme, or subject.
  Thematic catalogue Mus., a catalogue of musical works which, besides the title and other particulars, gives in notes the theme, or first few measures, of the whole work or of its several movements.
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  thematic
       adj 1: relating to or constituting a topic of discourse
       2: of or relating to a melodic subject [ant: unthematic]