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  1. gradiometer

    • IPA[ˌɡrādēˈämidər]

    美式

    • n.
      a surveying instrument used for setting out or measuring the gradient of a slope.;an instrument for measuring the gradient of an energy field, especially the horizontal gradient of the earth's gravitational or magnetic field.
    • noun: gradiometer, plural noun: gradiometers

    • 更多解釋
    • IPA[ˌɡreɪdɪˈɒmɪtə]

    英式

    • n.
      a surveying instrument used for setting out or measuring the gradient of a slope.

    Oxford Dictionary