关于李德毅院士的云理论模型相关算法（包括云变换、正向云、逆向云等），及其在不同领域的应用实例。特点：算法描述具体，应用翔实，可重复。(About academician Li Deyi's cloud theory model, related algorithms (including cloud transform, forward cloud, reverse cloud, etc.), and their application in different fields. Features: the algorithm descr iption is specific, and the application is informative and repeatable.)