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 effect descending边际效用递减Marginal Contextualization边缘情境marginal degression effect边际递减效应marginal contribution rate边际贡献率marginal utility of income[经] 收益的边际效用marginal scutellar bristle小盾缘鬃marginal frequency function边际频数函数Marginal lines of the chart海图边线marginal zones of optic cup视杯缘层marginal ring corneal ulcer边缘性环形角膜溃疡