为了帮助您完成此任务，IBM提供了称为服务集成成熟度模型(Service Integration Maturity Model, SIMM)技术。

To help you accomplish this, IBM provides a technique called Service Integration Maturity Model (SIMM).

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结合灰理论、技术成熟度、专家调查法等方式确定模型参数，定量分析我国电动汽车的需求和供给规模。

Combination of gray theory, technology maturity, expert survey, etc. parameters of the model, quantitative analysis of the electric car the size of demand and supply.

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