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  1. rotation

    • IPA[rə(ʊ)ˈteɪʃ(ə)n]

    英式

    • n.
      the action of rotating about an axis or centre;the conceptual operation of turning a system about an axis.
    • noun: rotation, plural noun: rotations

    • 釋義
    • 相關詞

    名詞

    • 1. the action of rotating about an axis or centre the moon moves in the same direction as the earth's rotation several solar rotations 同義詞 revolving, turning, spinning, gyration, wheeling, ... 更多
    • the conceptual operation of turning a system about an axis.
    • another term for curl
    • 2. the passing of a privilege or responsibility to each member of a group in a regularly recurring order it has become common for senior academics to act as heads of department in rotation 同義詞 sequence, succession, alternation, cycle
    • the growing of different crops in succession on a piece of land to avoid exhausting the soil and to control weeds, pests, and diseases traditional practices such as crop rotation
    • the cycle of growth and felling or cutting of trees short rotation forestry a rotation of 60–80 years to provide valuable saw timber
    • US a tour of duty, especially by a medical practitioner in training she was completing a rotation in trauma surgery
    • n.
      the rotation of the plane of polarization of plane-polarized light by an optically active substance.

    Oxford Dictionary

    • n.
      the practice of moving employees between different tasks to promote experience and variety.

    Oxford American Dictionary

    • n.
      the rotation of the plane of polarization of plane-polarized light by an optically active substance.

    Oxford American Dictionary

    • n.
      the practice of moving employees between different tasks to promote experience and variety.

    Oxford Dictionary

    • 更多解釋
    • IPA[rōˈtāSH(ə)n]

    美式

    • n.
      the action of rotating around an axis or center: the moon moves in the same direction as the earth's rotation

    Oxford American Dictionary

  2. 知識+