以下为句子列表：
英文: At the bottom end of a soaring market, an ethnic Chinese worker squats in a sluice to gather tin ore at a mine on Bangka Island off the Sumatran coast.
中文: 在苏门答腊外海邦加岛的一处矿场，一名华裔工人蹲在一个洗矿槽内采集着锡矿砂。
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英文: It is shown that the radioactivity level of tin polymetallic ore, undressed ore and adjacent formation is affected by the strata and mineralization type, the radioactivity level of sulfide ore is not high as a whole, while that of tin ore generally is sev
中文: 锡多金属矿原矿及围岩放射性水平受地层与矿化类型影响很大，硫化矿整体放射性水平不高，砂锡矿却普遍高出背景值数倍，尾矿、炉渣放射性水平也相对较高，对环境的影响不容忽视。
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英文: Tin ore iron ore and minerals processing, marketing.
中文: 铁矿及其伴生锡矿加工，销售。
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英文: The Characteristics and Significance of Lead Mineralization of Dulong Tin Ore Area
中文: 都龙锡矿区铅矿化特征及其实际意义
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