常見(jiàn)例句They came to think about algebraic objects associated with knots/links that are invariant under isotopy c .J.W.Alexander came up with the first good such quantity, the Alexander polynomiald . 我認(rèn)為剩下的人里面絕大多數(shù)對(duì)于一個(gè)中國(guó)人只身在國(guó)外奮斗所遭遇的種種困難、辛酸、挫折、失落、壓抑、他人的期望，成功和興奮沒(méi)有了解，更遑論理解。A Remark on Symplectic Isotopy Problem 關(guān)于辛同痕問(wèn)題的一個(gè)注記COMPUTER AIDED METHOD AIC FOR FINDING THE ISOTOPY CLASSES OF THE LATIN SQUARES 拉丁方合痕分類的計(jì)算機(jī)輔助方法AICAIC COMPUTER AIDED METHOD AIC FOR FINDING THE ISOTOPY CLASSES OF THE LATIN SQUARES 拉丁方合痕分類的計(jì)算機(jī)輔助方法regular isotopy 正則同痕 返回 isotopy