边际贡献率

还列举了GRACE集团公司对以上方法的运用：公司所在行业成长曲线的分析和从1999年至2005年的边际贡献率的分析。

Grace Group also cites growth curve analysis and marginal contribution rate analysis from 1999 to 2005 .

最后通过数值算例对模型分析所得结论进行验证，证明了最优预订控制策略能有效地指导网上餐厅实施座位分配决策，从而提高座位的边际贡献率和在线预订业务的收益水平。

Further by a numerical example model conclusions have proved the model and methods can effectively direct the online catering , implement allocation decision and consequently lift the seat marginal contribution rate and the revenue level of the online booking .

而且，与工业化相比，人力资本的边际贡献率远远高于工业化，这意味着在不久的将来人力资本有可能成为农村居民收入增长最大的贡献因素。

Comparing industrialization , the marginal contribution of human capital is far higher than that of industrialization . This predicts that human capital will be the biggest contribution factor to income growth of rural residents in the near future .

本文根据职务高低和边际贡献率大小对人力资本进行重新分类，将人力资本分为低职务低贡献、低职务高贡献、高职务低贡献、高职务高贡献四类。

This paper classifies human capital again according different job positions and marginal contribution ratio , and get four models : low duty low contribution , low duty high contribution , high duty low contribution and high duty high contribution .

一般说来，边际贡献是正数，它可以表示为贡献总额、单位边际贡献和边际贡献率。

Generally , the contribution is positive . It can be expressed in total , per unit and percent .