... compensation model 补偿模型 competition problem 竞争问题 competitive problem 竞争问题 ...
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RAS Problem Solving Competition 铁路优化专题竞赛
The problem is that competition ordinarily cannot be observed directly but must be inferred from the spread or increase of one species and the concurrent reduction or disappearance of another species.
问题是,人们通常不能直接观察竞争,而必须从一个物种的扩展或增加和同时另一个物种的减少或消失来推断。
Last year, Laura, Aaron and Vicky put their heads together for Technovation Kids(TK), an international competition that encourages teenagers to create an app that solves a community problem.
去年,劳拉、亚伦和维姬为“科技创新儿童”(Technovation Kids,TK)集思广益,这是一个鼓励青少年开发解决社区问题的应用软件的国际比赛。
Although some business people are content that the Mexican economy is dominated by a small, powerful clique, many feel that the lack of competition is a serious problem.
虽然,一些商业人士认为墨西哥的经济被一小部分的富裕人群所控制,但是,多数感觉缺乏竞争是一个严重的问题。
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