| steradian |
the unit of solid angle adopted under the Systeme International d'Unites
출처: wordnet.princeton.edu/perl/webwn
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| steradian |
The SI unit of solid angle that, having its vertex in the center of a sphere, cuts off an area of the surface of the sphere equal to that of a square with sides of length equal to the radius of the sphere. There are 4 steradians in a sphere.
출처: amsglossary.allenpress.com/glossary/browse
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| steradian |
The unit of measure of solid angles, equal to the angle subtended at the center of a sphere.
출처: meted.ucar.edu/satmet/goeschan/glossary.htm
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| steradian |
The amount of space covered by one square meter on the surface of a globe of 1 meter radius.
출처: realdealmarket.biz/glossary/
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