英语词汇“卡片穿孔机”的翻译、意思、用法、释义-英汉汉英词典

单词	卡片穿孔机
释义	卡片穿孔机phr.card punch【计】卡片穿孔机，键盘穿孔机卡片穿孔机1. a punch-card machine (pcm)卡片穿孔机key card puncher
随便看	ecological migration ecological model ecological momentary assessment ecological momentary assessment(ema) ecological mortality ecological mutation ecological natality ecological niche ecological niches ecological niches--niches ecological optimum ecological organization ecological overlap ecological party ecological physiology ecological phytogeography ecological phytogeography; ecological plant geography ecological plant anatomy ecological plant geography ecological plantgeography ecological plant geography--ecological phytogeography ecological polymorphism ecological pressure ecological process ecological psychology