词汇“nulhomotopy”的意思、用法、释义、翻译、读音、例句、短语、词组-国际大辞典

单词	nulhomotopy
释义	nulhomotopynulhomotopy[ˌnʌlhəuˈmɔtəpi]n.1.■【数】零伦
随便看	friction roll drop hammer friction roller friction sawing friction scouring friction sheave friction shock absorber friction shoe friction slope friction-sound friction speed friction spring friction stock friction stopping device friction surface belt friction table frictiontape friction tape friction thrust bearing friction-tight friction-top can friction transmission friction-tube viscometer friction type bolted joint friction-type mix friction-type safety clutch

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