To further clarify the concept of a resource based economy consider this example: a group of people is stranded on an island with enormous purchasing power including gold, silver and diamonds.
为了更进一步阐明资源导向经济的概念，想想看这个例子：有一群人们被困在一座岛上，但岛上蕴藏着巨大的购买力，包括了黄金、银矿与钻石。
Therefore this paper brings foreword the conception of elasticity ratio of resource consumption based on the concept of elasticity and analyses the relationship between the parameters.
为此，本文借鉴弹性的定义提出了资源消费弹性的概念，进而分析了资源弹性系数中各数值之间的关系。
Based on extension set, the concept of extension resource is proposed, the types of extension resource are discussed, the developing methods of resource are analyzed.
利用可拓集合，给出了可拓资源的形式化定义；同时分析了可拓资源的类型，研究了资源的开拓方法。
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