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ROM - Rough Order of Magnitude Estimate

 
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Rough Order of Magnitude Estimate ("ROM")

Order of Magnitude - 数量级
Estimated cost based on approximate cost models or expert analysis. It is usually based on top level requirements or specifications, and an overall prediction of work to be done to satisfy the requirements. The ROM is usually used for financial planning purposes only. ("ROM")
Estimated cost based on approximate cost models or expert analysis. It is usually based on top level requirements or specifications, and an overall prediction of work to be done to satisfy the requirements. The ROM is usually used for financial planning purposes only.

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