Bivi比维Bin.[化]元素铋(bismuth)的符号bi-: pref.；表示“二；双”biregular ring双正则环bi coil sliver双圈条条子Bian Zhi-lin卞之琳bivoltine race二化性品种biepharoptosis[医] 睑下垂bi-direction双向bipartite tree二分树bi-frequencyn.双频BIL population回交自交系（BIL）群体bilinear model双线模型