【摘要】 本文针对地质矿产勘查标准不同于一般产品生产技术标准的特点 ,对这类标准经济效果的评价原则、评价的主要内容以及评价的时间等方面作了探讨。更多还原

【Abstract】 The paper,in view of the situation that the Geology & Mineral Prospecting Specifications is different of the other Products & Development Technology Specifications,approach the economic returns of Geology & Mineral Prospecting Specifications from different aspects:the principle,the main contents and the appropriate time.更多还原