the·o·ret·i·cal /ˌθiəˈrɛtɪkəl, ˌθɪ(ə)rˈɛ-/
 (a.)理論的


 the·o·ret·i·cal /ˌθɪəˈrɛtɪkəl, ˌθɪ(ə)rˈɛt/ 形容詞
 理論的,假設的,推理的


 theoretical
 理論的


 theoretical
 理論


 The·o·ret·ic The·o·ret·ic·al a.  Pertaining to theory; depending on, or confined to, theory or speculation; speculative; terminating in theory or speculation: not practical; as, theoretical learning; theoretic sciences. -- The*o*ret*ic*al*ly, adv.

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 theoretical
      adj 1: concerned primarily with theories or hypotheses rather than
             practical considerations; "theoretical science" [syn:
             theoretic] [ant: empirical]
      2: concerned with theories rather than their practical
         applications; "theoretical physics" [ant: applied]
      3: based on specialized theory; "a theoretical analysis" [syn:
         abstract]