英语词汇“pontryagin index”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	pontryagin index
释义	pontryagin index 彭加金指数数学
随便看	a stubble of beard a stubbly beard a stubborn cold a stubborn cough/stain a stubborn illness A stubborn person a stubborn problem a stubborn refusal to listen a stubborn resistance a stubby beard a stubby pencil a stub of a tail Astuccioni a stuccoed house/wall astuce astucious astuciously astucity a stud a stud bull a studded leather belt astudent A student a-student a student at a seminary