sign convention

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sign convention [′sīn kən‚ven·chən]

(optics)

A convention as to which quantities, such as angles, distances, and radii of curvature, are positive and which are negative in computations involving a lens or a mirror.

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No references found			It is not enough to sign conventions," the coalition of human rights groups said in a statement. Human rights groups rap Lebanon over reports of torture in detention ... by The Daily Star (Beirut, Lebanon) The constitution specifically provides for state payment of the salaries and pensions of clergy of those religious groups which sign conventions with the Government. Luxembourg by International Religious Freedom Report			sigma ring sigma-delta analog-to-digital converter sigma-delta converter sigma-delta digital-to-analog converter sigma-delta modulator sigma-minus hyperonic atom sigma-T sigmaspire sigmatron sigmatropic shift sigmoid sigmoid colon sigmoid distortion sigmoidal dune sigmoidal fold sigmoiditis sigmoidoscope Sigmund Feist Sigmund Freud Sigmund Herberstein Sigmund Jahn Sigmund Jähn Sign sign bit sign check indicator sign convention sign digit sign flag Sign Language sign of aggregation Sign of the Cross sign of the zodiac sign on sign position sign stimulus sign test Sign Theory of Language Sign, Linguistic sign-and-magnitude code Signac Signac, Paul signage Signakhi Signal Signal Amplifier signal area signal bias Signal Board signal box signal carrier signal center			Sigmund Wilhelm List Sigmundr Sigmundus Augustus sign sign sign sign sign sign Sign (linguistics) Sign (semeiotic) Sign (semeiotic) Sign (semiotics) Sign (semiotics) Sign (semiotics) sign a name to Sign and Forward System Sign and magnitude sign and seal Sign and trade Sign Association of Canada sign away sign away sign away sign away sign away Sign bit Sign Builders of America, Inc. sign check indicator Sign Constant Modulus Algorithm sign convention sign digit Sign Each Frame Sign Extension Mode Sign Extension Unit Sign flag Sign flag sign for sign for Sign for Sign Sign Historical Group Sign holder Sign holder Sign holder Sign holder sign in sign in sign in sign in sign in sign industry sign language sign language sign language sign language Sign Language Association of Ireland Sign Language Connection, Inc. Sign Language Consultants Sign Language Engineering Sign Language Festival Sign Language Foundation Center

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