据澳大利亚矿业经济咨询公司报告称,在1998年以前的4年时间里,世界镍生产成本已下降17%,在今后4年内还将再次下降11%。在扣除钴生产成本以后,镍生产的平均成本预计2002年将降到160美元磅(以1999年价格为基础),与1993年相比下降为31%。西方世界镍生产以澳大利亚和加拿大为主,200 According to a report by Mining & Mining Australia, world production costs of nickel have dropped 17% in the four years prior to 1998 and will fall another 11% in the next four years. After deducting cobalt production costs, the average cost of producing nickel is expected to drop to 160 U.S. pounds in 2002 (based on 1999 prices), down from 31 percent in 1993. Western world nickel production mainly in Australia and Canada, 200