principal parallel


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principal parallel

On an oblique photograph, a line parallel to the true horizon and passing through the principal point.
References in periodicals archive ?
Announcement of competition: objective of this agreement is to ensure the principal parallel framework agreements for delivery of building and construction services with an estimated value below 2 million per mission.
Act 2 of Five of Us dramatizes the three principal parallels between the two messengers that impact on the four characters in the adjoining apartment.