ESTIMATION TO THE ECONOMIC RETURNS OF GEOLOGY & MINERAL PROSPECTING SPECIFICATIONS

Zhang Mingyan. ESTIMATION TO THE ECONOMIC RETURNS OF GEOLOGY & MINERAL PROSPECTING SPECIFICATIONSJ. CHINA MINING MAGAZINE, 2004, 13(4): 24-26.

Citation:

Zhang Mingyan. ESTIMATION TO THE ECONOMIC RETURNS OF GEOLOGY & MINERAL PROSPECTING SPECIFICATIONSJ. CHINA MINING MAGAZINE, 2004, 13(4): 24-26.

Citation:

Zhang Mingyan. ESTIMATION TO THE ECONOMIC RETURNS OF GEOLOGY & MINERAL PROSPECTING SPECIFICATIONSJ. CHINA MINING MAGAZINE, 2004, 13(4): 24-26.

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.

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