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the·o·ret·i·cal AHD[thē'ə-rĕtʹĭ-kəl] 也作 the·o·ret·ic [-rĕtʹĭk] D.J.[ˌθiːəˈretɪkəl] 也作 the·o·ret·ic [-ˈretɪk]K.K.[ˌθiəˈrɛtɪkəl] 也作 the·o·ret·ic [-ˈrɛtɪk]adj.（形容词）- Of, relating to, or based on theory.理论的：理论的，关于或基于理论的
- Restricted to theory; not practical:理论上的：限于理论的；非实践的：theoretical physics.理论物理
- Given to theorizing; speculative.理论的：给予理论化的；纯理论的
- Late Latin theōrēticus 后期拉丁语 theōrēticus
- from Greek theōrētikos 源自 希腊语 theōrētikos
- from theōrētos [observable] 源自 theōrētos [可见的]
- from theōrein [to look at] * see theorem 源自 theōrein [看] * 参见 theorem
the'oretʹically adv.（副词）theoretical, abstract, academic, hypothetical, speculative- The central meaning shared by these adjectives is "concerned primarily with theories or hypotheses rather than practical considerations": 这些形容词共有的中心意思是“主要与理论或假说有关而不基于实践考虑： theoretical linguistics;理论语言学；abstract reasoning;抽象推理；a purely academic discussion;纯学术讨论；a hypothetical statement;假说性陈述；speculative knowledge. 纯理论的知识
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