“cross-current mark”的概念、定义、翻译、参考文献-科学参考

单词	cross-current mark
释义	cross-current mark Encyclopedia 工学水运交通标识释 cross-current mark横流标标示航道内有横流，警告船舶注意的水上助航标志。
随便看	homotopy set homotopy-simple space homotopy sphere homotopy-stable mapping homotopy system homotopy theorem homotopy theory homotopy to zero homotopy transgression homotopy type homotopy type invariant homotopy type of topalogical spaces homotopy type of topological space homotopy unit homotopy with base point homotropy homotype homotypical identity homotypic division homotypy homozygote Homs Homunculus Nebula Hom上链复形 Hom二重复形

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