marginal distance信息详情
边缘距离，边缘距离
marginal───adj.微不足道的，不重要的；边缘的；临界的；末端的；n.边缘席位
distance───vt.疏远；把…远远甩在后面；n.距离；远方；疏远；间隔
marginal benefit───边际收益；边际效益
distance piece───定距块；隔离段；隔离段，定距块
marginal product───[经]边际产品，边际产量；边际[限界]产品
perpendicular distance───垂直距离；垂（直）距（离）
marginal change───n.极限变化；边际变动
considerable distance───相当远的距离
marginal effect───边绝效应；缘界效应；边绝（缘界）效应
You might think that distance and geography would be marginal considerations for tech firms.───你可能会认为对于那些技术公司，距离和地缘只是考虑中的边缘因素。
The White House is offering an 83%-17% split (hardly a huge distance) and a promise that none of the revenue increase will come from higher marginal rates, only from eliminating loopholes.───白宫提出将支出削减率和税收提高率分别控制在83%和17%（和共和党提出的比率实在是没有多大差别），并且承诺只会通过消除漏洞而非提高边际税率来增加财政收入。
distance from the placental edge to the insertion of the umbilical cord was measured after delivery, and the results were used to classify cord insertion as normal, marginal, or velamentous.───分娩后测量脐带附着点到胎盘边缘的距离，将结果分为正常附着、边缘性附着和帆状附着。