since the cost of return shipping is prohibitively expensive in this case, you do not need to return the original item.

buyer can provide the size or type of the item which they want to change, then give the original item back to seller.

顾客可提出欲转换之款式或尺码，把原来之产品交回给我们。

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this process essentially creates a reference to the original item and uses the reference as if it were a copy.

实质上，此过程创建一个对原始项的引用，并将该引用当作副本一样使用。

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alternatively, you may choose another item of the same or higher value than the original item purchased.

您也可选择购买其它价目与原本订购产品相同或更昂贵的另一份产品。

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the original item must be saved before the operation can be completed.

原项目必须在操作完成前保存。

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after our up-sampling, the model holds the same geometry as the original model.

通过实验，重采样后的模型能够和原有模型保持几何信息一致。

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in this paper, snake model was improved with the prior knowledge of ultrasound images from the original model.

在原始的Snake模型的基础上，本文针对超声图像的特点对它进行了一些改进。

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the experiment results shows it has better scalability and flexibility than the original model, having a better detection performance.

实验分析表明，较之现有的入侵检测模型它具有更好的扩展性和可伸缩性，在网络流量大的情况下仍然具有良好的检测性能，具有网络的主动防御能力。

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results showed that the improved wheat root growth distribution model simulate the wheat root growth distribution better than original model.

结果表明：改进的根系生长分布模型比原有模型更能准确地模拟冬小麦根系的生长分布。

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this paper introduces a new model of software life cycle from the point of view of original model of software life cycle.

本文在现有的软件生命期模型的基础上提出一种新的软件生命期模型。

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and then there are obstacles in the case of the original model to be amended.

然后在有障碍物情况下对原有模型进行修正。

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model-based system engineering is a new system engineering approach which runs through the entire development cycle through the original model.

基于模型的系统工程是一种新兴的系统工程技术，它以模型贯穿了整个开发周期，可以有效地提高系统的可靠性和开发效率。

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the original model can be corrected and improved by analyzing and simulating the petri net model.

通过Petri网模型的分析和仿真，其结果可用于修正和改进模型设计。

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an original model describing the relationship between equipment trouble management and equipment management has been put forward in this paper.

本文提出了一种设备故障管理与设备管理关系的动态模型。

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the stress-changing tendency of modified models was similar to original model.

修改模型与原始模型的应力变化亦相似。

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on this basis, this paper makes innovations on the original model theory and establishes a new improved model.

在此基础上，本文对原AMM（1,1）模型进行了理论创新，建立了新的改进AMM（1,1）模型。

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the numerical solution of original model was revised to be a variable mesh finite element.

将原模型改进为变网格进行有限元的数值求解。

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in-depth study of the dimensionality reduction algorithm of the original model of lbp.

深入研究了LBP原始模式的降维算法。

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the experiment results show that the improved head-driven model is superior to the original model.

初步实验结果表明，改进的头驱动模型比原有的模型具有更好的性能。

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based on the original model, we make use of binary mixed logit model to correct.

并在此基础上利用二元混合Logit模型对原有模型进行了修正。

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comparing with original model, these features make great progress in practical application and rationality of the model.

与原有模型相比，这些特点使得物流配送中心选址模型在模型的合理性上和实际应用上有了很大的改进。

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