英语词汇“pontryagin index”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	pontryagin index
释义	pontryagin index 彭加金指数 (数学)
随便看	reversible mutant reversible mutation reversibleness reversible operation reversible optical recording medium reversible order reversible output current reversible pallet reversible path reversible pattern plate reversible pawl reversible pendulum reversible permeability reversible pick reversible-pitch propeller reversible pitch propeller reversible pitch propellers reversible plough reversible plow reversible plug reversible pneumatic drill reversible pneumatic screwdriver reversible point motor reversible polarographic wave reversible polymerization 天不变其常，地不易其则。天不变，道不变天不变，道亦不变。天不可信。天不可违天不可预虑兮，道不可预谋；迟速有命兮，焉识其时！天不可预虑兮，道不可预谋；迟速有命兮，焉识其时？天不安有变，人不安有祸天不容伪。天不怕地不怕，就怕众人七嘴八舌都说话相托相扰相承相投相抵相持相接相提并论相撞相敬如宾