以下为句子列表：
英文: Abstract: The development,application research and importance status in technology and economy of precious metal catalyst were described in present paper.And the development of new type catalysts was also discussed.
中文: 文摘:叙述贵金属催化剂在技术经济领域中的重要地位及其应用研究发展态势，并讨论开发新型催化剂的技术方向。
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英文: According to the Gold Survey 2007 published by Gold Fields Mineral Services Ltd (GFMS), a London-based precious metals consultancy, though global gold output dropped slightly last year, China's production of the precious metal increased 8 percent year-on-
中文: 根据金矿矿产服务有限公司2007年金矿调查显示：以伦敦为基地的贵金属，虽然全球黄金产量去年稍微下降，但是中国的黄金产量与去年同期247吨相比增长了8%，赶上了世界第三大黄金产量国澳大利亚。
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英文: Because of the high cost of the precious metal ingredients, researchers are searching for ways to lower the platinum content.
中文: 由于贵金属成份的成本不斐，研究人员正绞尽脑汁降低铂的含量。
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英文: Class 21 Household or kitchen utensils and containers (not of precious metal or coated therewith); combs and sponges; brushes (except paint brushes); brush-making materials; articles for cleaning purposes; steel wool; un-worked or semi-worked glass (excep
中文: 商标注册类别21家庭或厨房用具及容器(非贵重金属所制，也非镀有贵重金属等)；梳子及海棉，刷子(画笔除外)，制刷材料；清扫用具；钢丝绒；未加工或半加工玻璃(建筑用玻璃除外)；不属别类的玻璃器皿、瓷器及陶器。
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英文: Class21： Household or kitchen utensils and containers (not of precious metal or coated therewith); combs and sponges; brushes (except paint brushes); brush-making materials; articles for cleaning purposes; steel wool; un-worked or semi-worked glass (excep
中文: 类别21：家庭或厨房用具及容器(非贵重金属所制，也非镀有贵重金属等)；梳子及海棉，刷子(画笔除外)，制刷材料；清扫用具；钢丝绒；未加工或半加工玻璃(建筑用玻璃除外)；不属别类的玻璃器皿、瓷器及陶器。
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