torsion circle 中文意思是什麼

torsion circle 解釋
扭環
  • torsion : n. 扭轉;扭(轉)力;【物理學】扭(力)矩,轉(力)矩;【醫學】捩轉。 torsion pairing 扭曲配對。
  • circle : n 1 圓;圓周;圈;環;環狀物。2 圓形場地,馬戲場;(鐵路的)環行交叉口;(體育場的)圓形看臺;(...
  1. Using universal property, we can define general ( pre ) cover and ( pre ) envelope, such as gorenstein injective ( projective or flat ) ( pre ) cover and ( pre ) envelope, 5 - torsion free ( pre ) cover etc. in a word, problems on ( pre ) over and ( pre ) envelope have aroused considerable debate in the academic circle, which embodies flexible use of tools of homological algebra in studying categories of rings and modules

    而且利用泛性我們又可定義更廣泛意義上的包、蓋問題,例如: gorenstin內射(平坦、投射)包(蓋) , s -無撓預蓋,等等。用這類比內射(平坦、投射)更廣泛意義上的特殊模又能刻畫一些環。總之,包、蓋問題是當今非常活躍的研究課題,體現了同調代數在環模範疇研究中靈活運用。
  2. Testing machine for bevel gear intermeshing pitch circle and torsion

    傘輪合同心及扭力試驗機
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