Boundary.边界
boundaryn.边界;分界线
boundary charge束缚电荷
boundary beacon示界标
boundary pillar分界矿柱
boundary survey边界测量,地界测量
boundary number边界数量
boundary normal边界法线
boundary treaty边界条约
boundary action边界酌
boundary height边界高度
boundary spring冲积坡泉,边界泉,溢出泉