half-ordered setpartial ordered setpartially ordered setpartly ordered set半: half序: order; sequence集: gather; assemble; collect半序集, 偏序集合: partially-ordered set半序集合: partly ordered set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:半序集,即可在微信中查询翻译