最終更新日：2024/07/28

In photography, a familiar reference object used to show size or scale, such as a ruler or a coin; a fiducial marker.

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fiducial

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fiducial

noun

The photographer used fiducial markers to ensure accurate measurements in the photo.

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In manufacturing, a small mark on a circuit board used to align components; a fiducial point.

Coordinate term: registration mark (in printing)