In this paper, the author put out the cost model, gives the cost feature curve and analyses the effect of the main factors.

本文提出了铁路货物运输成本模型，依此绘制了成本特性曲线图，并对模型和比较重要的影响因素进行分。

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The relations between design feature, machining feature and cost feature are studied. Cost estimating model based on feature mapping and its application method are presented in concurrent engineering.

研究了设计特征、工艺特征和成本特征之间的相互关系，按照并行工程思想，提出了与设计进程并行的基于特征映射的成本估算模型，研究了模型的实现方法。

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This feature is included with the database server at no extra cost.

该特性是数据库服务器附带的，没有额外成本。

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Mobile internet usage in Africa is increasing rapidly as Orange continues to deploy 3G networks and make more low-cost smartphones available, customers have been steadily moving from basic feature phones towards more low-cost Android smartphones.

ENGADGET: Baidu and Orange launch mobile browser for Africa, Middle East

Not only does the state generally feature a low cost of living, but Wei says its cities have done a nice job differentiating themselves.

FORBES: The 10 Best Cities For Job Seekers

Marvell's chips, which cost a few dollars each, typically feature what's called mixed-signal circuitry.

FORBES: Magazine Article