single-stage model单: singular number fate; destin ...阶段: stage; phase; period; gradat ...模式: model; mode; pattern; type; ...隆升三阶段模式: bccm段模式: fragmentation schema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:单阶段模式,即可在微信中查询翻译