Applied computational experiment, took the bottom-up modeling method and used multi-agent modeling (ABM) to build a supply chain simulation platform.

应用计算实验思想，采取自下而上的建模方法，采用多主体建模方式(abm)构建出供应链实验平台。

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This study attempts to discuss interregional modeling for the abatement of sulfur dioxide and carbon dioxide emissions in China by the approach of combining top-down modeling with bottom-up modeling.

本研究试图探讨用“自上而下”和“自下而上”相结合的建模方法，对我国二氧化硫和二氧化碳减排进行区域间建模。

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We described bottom-up analysis and the modeling of these external systems in terms of interfaces and components.

我们讨论了自底向上的分析以及对接口和组件的建模。

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Other common names for market timing include opportunistic investing, sector rotation, active asset allocation, top-down allocation, bottom-up allocation, global modeling, algorithmic positioning, defensive investing, and the list goes on.

FORBES: Anything But Market Timing

Like equity analysts, Keenan's staff of 24 do bottom-up research, monitoring and modeling free cash flow estimates to create their own credit ratings for borrowers.

FORBES: Magazine Article