This article mainly researched the forming reasons of invalid patents, the evaluate approach ,the value developmental, use and managerial methods and do some preliminary tries of value development and use in educational, scientific and industrial departments.
本文主要研究了失效专利的形成的原因、评价的方法、价值开发方法和应用管理评价方法，并针对教育、科研和企业部门的价值开发与应用作了一些初步的尝试以期对失效专利的应用做一些诱导。
参考来源 - 失效专利的价值开发·2,447,543篇论文数据，部分数据来源于NoteExpress
然而随着社会的进步，大众审美观念的变化，南京云锦的市场价值开发似乎陷入了尴尬的境地。
However, with the evolution of society and change of public's taste, the development of Nanjing brocade is getting into awkward circumstance.
房产税是按市场价值评估的，如果开发这块土地，对县城每年的整体税收贡献很大。
Property taxes are assessed on market value, and if developed, the land would have contributed significantly to the county's overall annual tax revenue.
这个数据库的主要价值在于：在开发期间，允许定期检查代码库以查看代码是否退化或引入了错误。
The main value of this database is to allow for checking the code base periodically for regression or the introduction of errors as development proceeds.
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