World usage totaled 18.12 million tons, according to the Lisbon-based International Copper Study Group.

而据总部设在里斯本的国际铜业研究组织称，全球共消耗了1812万吨铜。

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Mixed phenotype acute leukemia: a study of 61 cases using world health organization and European group for the immunological classification of leukaemias criteria.

混合型急性白血病：采用世界卫生组织和欧洲白血病标准进行免疫学分类的61例研究。

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All deciduous trees in the Western world are affected, according to the study by a group of institutions, including the tu Delft University and Wageningen University.

据包括代尔夫特理工大学和瓦格宁根大学在内的一些研究机构发表的这篇研究报告称，西方世界的落叶树都受到影响。

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The International Artemisinin Study Group, which includes prominent malaria experts from around the world, examined the results of 16 trials carried out over the past decade.

BBC: NEWS | Health | Drug cocktail 'may beat malaria'

In a separate study, Deloitte found that US supermarket group Roundy's was the world's fastest growing retailer between 1999 and 2004, averaging 57% compound annual growth.

BBC: NEWS | Business | Wal-Mart three times rivals' size

As a first step, the Study Group recommends that ICSU actively promote cooperation between traditional knowledge and science at the United Nations World Summit for Sustainable Development in Johannesburg (South Africa) in August 2002.

UNESCO: Local and Indigenous Knowledge Systems