preliminary topology初级: elementary; primary; junior; ...拓扑: topology初级拓扑 予备: preliminary topologydfs拓扑: dfs topology /层拓扑: etale topology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:初级拓扑,即可在微信中查询翻译