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کرویت
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فرهنگ لغات عمومي
کرویت
فرهنگ لغات تربيت بدني
همگنی واریانس و كوواریانس (در طرحهای تحقیقی اندازه های تكراری)
کشاورزی:
sphericity index
شاخص کُرویت
the roundness of a 3-dimensional object(n)
Synonyms: globosity
globularness
rotundity
rotundness
sphericalness
sphericity
Hypernyms: roundness
Sphericity is a measure of how closely the shape of an object resembles that of a perfect sphere. For example, the sphericity of the balls inside a ball bearing determines the quality of the bearing, such as the load it can bear or the speed at which it can turn without failing. Sphericity is a specific example of a compactness measure of a shape. Defined by Wadell in 1935, the sphericity, , of an object is the ratio of the surface area of a sphere with the same volume to the object's surface area: