The additive model is one of the most important models in parameter design.

可加模型是参数设计中一个非常重要，实用的模型。

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The forecasting calculation results of additive model and ARIMA are compared.

并将叠合模型与ARIMA的预测结果进行了比较。

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Then, the periodic term and stochastic term are resolved based on additive model.

根据叠合模型可进一步分解出周期项和随机项。

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Additive manufacturing is the process of joining materials to make objects from 3D model data, usually layer upon layer.

WHITEHOUSE: Delivering on Manufacturing Innovation

At least seven companies are expected to show 3D printers at CES 2013, demonstrating the potential benefits of the technology for a wide swath of industries and users. 3D printing uses an additive process to create an exact physical duplicate of a product based on a digital model.

FORBES: Ultra HDTV, 3D Printers And More: Trends To Watch At CES