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control point

noun, Aerial Photogrammetry.
a point located on the ground by precise surveying that when identified on aerial photographs provides the control necessary for producing a photomap.
Origin of control point
1925-30 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for control point
  • More complex linear control systems may use a piecewise linear approach where more than one desired control point may be required.
  • Acts as the primary control point during significant information privacy and security incidents.
  • Nuclear radiation release to the public in adverse moment is the hyper critical control point.

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