以下为句子列表：
英文: A structure the size of an atom represents a fundamental limit: to make anything smaller would require manipulating atomic nuclei—essentially, transmuting one chemical element into another.
中文: 单原子的结构是个基本极限：若要做得更小，基本上就得操控原子核了，这可是把一种化学元素转换为另一种。
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英文: Besides，we are equipped with NC machining center，CAD valve design center，sophisticated NC equipments，Plasma arc powder built-up welding machines，efficient machining equipments etc.,and facilities for material tests，chemical element analysis，nondestructive
中文: 拥有CAD阀门设计中心、先进的数控设备、等离子弧粉末堆焊机，高效加工专用设备等，同时建有材料化验、化学成分分析，无损检测，超声波探伤，力学性能，光谱分析等检测设备和专业人员。
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英文: By the time of Yanshanian structural hydrothermal superimposed caused the ore-forming chemical element of the pyritization sources activated, it results from the elements had been moving and expected turning into minerals in the beneficial structural posi
中文: 经燕山期构造热液的叠加，驱使矿源层中的成矿元素活化、迁移，在有利的构造部位富集成矿。
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英文: In this paper, the authors studied environmental geochemistry of Hohhot, divided soil secondary environments according to their qualities, probed into the soil environmental geochemical element migration, and put forward some opinions for tackling various
中文: 摘要介绍了呼和浩特市环境地球化学特徵，对该区土壤次生环境进行了质量分区划分，探讨该区土壤环境地球化学元素迁移概略，提出了土壤环境地球化学治理的具体意见。
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英文: Studies on influence of diet on dry weight and chemical element (C, H, N) content of larval Scylla serrata
中文: Studies on influence of diet on dry weight and chemical element （C，H，N）content of larval Scylla serrata
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