toroid
n. [电] 环形线圈；圆环面；螺旋管
例句
A toroid generated by a circle; a surface having the shape of a doughnut.
环面，环形圆纹曲面圆圈形成的超环面；具有炸面。
Such plasmas can be confined as a high aspect ratio toroid having compact dimensions.
能够将这种等离子体约束为一个具有紧凑尺寸的高比率圆环。
The magnitude of the current depends on the resistivity near the bit, and is measured by another toroid.
电流大小与钻头附近电阻率有关，由另一个螺旋线圈测量。
