单词	sheaf of rings
释义	sheaf of rings 环层 ，环束
随便看	Cole, F.N. colength Cole prize colex order coliberty coliberty morphism colimit colimiting cone colimit-preserving functor colinear (= collinear) collapse collapsed mapping cone collapsibility collapsible space collapsing collapsing function collapsoid collar collared boundary collaring collar of a submanifold collar theorem Collatz, L.O. Collatz problem collecting terms

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