torus
US /ˈtɔː.rəs/
UK /ˈtɔː.rəs/
1.
环面, 圆环体
a surface or solid formed by revolving a circle about a line that is in the same plane as the circle but does not intersect it (as a doughnut or a ring)
:
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The mathematical model represented the magnetic field as a torus.
数学模型将磁场表示为环面。
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Doughnuts are a common example of a torus shape.
甜甜圈是环面形状的常见例子。