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目前我国加强对稀土生产和出口的限制，而同时国内稀土消费保持较快的增长趋势， 把握好稀土行业的发展趋势，对规范稀土行业秩序和实现......
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对2001年铅、锌市场供求关系和价格走势进行了分析，并对2002年铅、锌市场供求关系和价格走势进行预测。本文认为：至少2002年下半年之......
