本文的目的是论述对某些拟议建设的矿业工程进行经济研究的全部要求和原则,以此作为总的骨架,去引出并连系由其他作者作出的详细介绍,避免局部的细节的论述。由于可行性报告不过是要求依次编写的多份报告的连续研究过程的最后阶级,所以对于各种初期和中期的评价研究与报告,必 The purpose of this paper is to discuss all the requirements and principles of conducting economic research on some proposed mining projects as a general framework to derive and link the detailed descriptions made by other authors and avoid the discussion of local details. As the feasibility report is merely the last step in the continuous research process that requires multiple reports to be written in sequence, for all kinds of initial and mid-term evaluation studies and reports,