contributionn.贡献;捐款(赠);投稿
contribution margin per composite unit每个组合单位的贡献毛利
contribution rate of technical progress技术进步贡献率
contribution to national economic growth国民经济增长贡献
Contribution of Confucius to Compositions孔子对文章学的贡献
Contribution of Ampere to electromagnetics安培对电磁学的贡献
contribution weight superposition approach贡献权重迭加法
contribution rate of technological progress技术进步贡献率
contribution margin in break-even analysis[经] 保(够)本分析中的贡献毛益