The author believes that product's use value is a dynamic concept, information is unsymmetricaldistribution, and that "concept value" should be paid attention to.
商品的使用价值是一个动态的概念，信息是非对称分布的，“观念价值”值得重视。
2
In this paper the space distribution of temperature and the seasonal change in unsymmetrical multi-span greenhouse were analyzed.
分析了非对称连跨式节能温室内温度的空间分布及季节性的变化趋势。
3
This paper analyzes the profit distribution problem of "Lead-member" strategic alliance at the condition of symmetrical information or unsymmetrical information.