rational equivalence class grouprationalequivalenceclassgroup有理: reasonable; justified; in th ...等价: of equal value; equal in val ...群: crowd; group双有理等价: rational mapping有理等价的: rationally equivalent下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:有理等价类群，即可在微信中查询翻译
