![torus造句怎么写]( "torus造句怎么写")
- And,ofcourse,itboundsthisdisc,butinsideofatorus.Eachhosecanbeexpandedandcontractedindependently.Doingsoinsequencealongthelengthofthetorusgeneratesforwardmotion.Inthisexample,thesurfaceisnotsimplyconnectedandanysmoothed-outobjectlookslikeatoruswithatl...
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