n.超環(huán)面；超環(huán)狀體
A body having the shape of a toroid. 超環(huán)狀體形狀類(lèi)似超環(huán)面的物體
A toroid generated by a circle; a surface having the shape of a doughnut. 環(huán)面，環(huán)形圓紋曲面圓圈形成的超環(huán)面；具有炸面圈一樣形狀的表面。
A toroid generated by a circle;a surface having the shape of a doughnut. 環(huán)面，環(huán)形圓紋曲面圓圈形成的超環(huán)面；具有炸面圈一樣形狀的表面
But you sure won’t find a toroid off the shelf that performs as well. 但你肯定不會(huì)找到一個(gè)現(xiàn)成的環(huán)形性能相當(dāng)。
Fly your spaceship into the toroid and exit at any time of your choosing, as far back as the creation of the time machine. 他推論，離開(kāi)一般空間，在一個(gè)具有特定甜甜圈狀重力場(chǎng)的甜甜圈狀真空空間里，便能建構(gòu)出一架時(shí)光機(jī)。
