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precious metals
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【经】 贵重金属
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详细解释：
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以下为句子列表：
英文: Abstract: The article summed up mainly technical problems in scale production of precious metals temperature-measurement materials,carefully analysed the cause of labors those problems,and put resolved methods.
中文: 文摘:总结、归纳了贵金属测温材料规模化生产中所遇到的主要技术问题，详细分析了问题的成因并提出了相应的解决措施。
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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: America's dentists are alarmed by a trend for mouth adornments which encase teeth in precious metals and jewellery.
中文: 目前，由金属制成的装饰牙套成为美国时尚青年的新宠，但口腔科专家近日向佩带者发出警告说，谨防口腔疾病！
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英文: But when selling to precious metals dealers, customers will end up earning 5 percent less than the estimated price, a difference of NT$400,000 on this NT$8 million bar of gold.
中文: 不过要卖给银楼，估算价差约在5%左右，像这样一个黄金条块，现价将近八百万卖给银楼，一块就差了40万。
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英文: Class 14 Precious metals and their alloys and goods in precious metals or coated therewith, not included inother classes; jewellery, precious stones; horological and chronometric instruments.
中文: 商标注册类别14不属别类的贵重金属及其合金，以及不属别类的贵重金属制品或镀有贵重金属的物品；珠宝，宝石；钟表和计时仪器。
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