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Toroidal coordinates are a three-dimensional orthogonal coordinate system that results from rotating the two-dimensional bipolar coordinate system about the axis that separates its two foci. Thus, the two foci and in bipolar coordinates become a ring of radius in the plane of the toroidal coordinate system; the -axis is the axis of rotation. The focal ring is also known as the reference circle.

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  • Toroidal coordinates are a three-dimensional orthogonal coordinate system that results from rotating the two-dimensional bipolar coordinate system about the axis that separates its two foci. Thus, the two foci and in bipolar coordinates become a ring of radius in the plane of the toroidal coordinate system; the -axis is the axis of rotation. The focal ring is also known as the reference circle. (en)
  • Тороидальная система координат — ортогональная система координат в пространстве, координатными поверхностями которой являются торы, сферы и полуплоскости. Данная система координат может быть получена посредством вращения двумерной биполярной системы координат вокруг оси, равноудалённой от фокусов биполярной системы. (ru)
  • Coordenadas toroidais são um sistema de coordenadas , tridimensional que é gerado pela rotação do sobre um eixo que separa seus dois focos. Assim, os dois focos e em coordenadas bipolares se tornam um anel de raio no plano plane do sistema de coordenadas toroidais; o eixo é o eixo de rotação. (pt)
  • 圓環坐標系(英語:Toroidal coordinates)是一種三維正交坐標系。設定二維橢圓坐標系包含於 xz-平面;兩個焦點 與 的直角坐標分別為 與 。將雙極坐標系繞著 z-軸旋轉,則可以得到圓環坐標系。雙極坐標系的兩個焦點,變為一個半徑為 的圓圈,包含於圓環坐標系的 xy-平面。稱這圓圈為焦圓,又稱為參考圓。 (zh)
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  • Toroidal coordinates are a three-dimensional orthogonal coordinate system that results from rotating the two-dimensional bipolar coordinate system about the axis that separates its two foci. Thus, the two foci and in bipolar coordinates become a ring of radius in the plane of the toroidal coordinate system; the -axis is the axis of rotation. The focal ring is also known as the reference circle. (en)
  • Тороидальная система координат — ортогональная система координат в пространстве, координатными поверхностями которой являются торы, сферы и полуплоскости. Данная система координат может быть получена посредством вращения двумерной биполярной системы координат вокруг оси, равноудалённой от фокусов биполярной системы. (ru)
  • Coordenadas toroidais são um sistema de coordenadas , tridimensional que é gerado pela rotação do sobre um eixo que separa seus dois focos. Assim, os dois focos e em coordenadas bipolares se tornam um anel de raio no plano plane do sistema de coordenadas toroidais; o eixo é o eixo de rotação. (pt)
  • 圓環坐標系(英語:Toroidal coordinates)是一種三維正交坐標系。設定二維橢圓坐標系包含於 xz-平面;兩個焦點 與 的直角坐標分別為 與 。將雙極坐標系繞著 z-軸旋轉,則可以得到圓環坐標系。雙極坐標系的兩個焦點,變為一個半徑為 的圓圈,包含於圓環坐標系的 xy-平面。稱這圓圈為焦圓,又稱為參考圓。 (zh)
rdfs:label
  • Coordenadas toroidais (pt)
  • Toroidal coordinates (en)
  • Тороидальная система координат (ru)
  • 圓環坐標系 (zh)
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