Finally, the normative steps of the CEM are summarized, it applied to value mineral resources assets that has been not exploited or exploited for a short time.

• 第三，提出了基于属性强度函数的案例选取两步准则，建立了案例相似度模型，通过求解该模型可得出最优案例集及其相似度：最后，总结提出了案例估价法的规范步骤，适用于己探明但未开发或开发时间很短的矿物资源资产的估价。