marginalisevt.使边缘化；排斥=marginalize（美）.marginaladj.边际的；末端的；仅以微弱多数获胜的；微小的marginal cost breakeven边际成本无盈亏点Marginal energy density边际能量密度marginal rate of imports边际进口倾向marginal particle filter边缘粒子滤波marginal sampling device边缘采样装置marginal allocation rate边际分成率marginal cultural region边缘文化区域marginal writing aBility写作能力很低marginal gyrus of Turner特纳(氏)额内侧回marginal revenue product边际收入产品