以下为句子列表：
英文: Based on the analysis and practice of the ultrasonic soldering process, the results show that it is important to procure high soldering quality on controlling submersion depth, the ultrasonic soldering time, assembling clearance and solder composition.
中文: 根据对超声波钎焊工艺的分析和实践，结果表明控制产品在钎焊时的浸没深度与产品装配间隙、超声波钎焊时间和钎剂成分是获得高钎焊质量的重要条件。
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英文: Metalsmiths knew how to detect forgeries of precious metals by measuring their density, using Archimedes' method of submersion in water to measure volume.
中文: 当时的金属匠利用阿基米德把物体浸在水中测量体积的方法，知道如何检测假的贵金属物品。
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英文: On Riemann submersion of submanifold
中文: 关于子流形的Riemann浸没
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英文: Effects of Dry Storage and Water Submersion on Seed Germination of 21 Herbaceous Species Indigenous to the Three Gorges Reservoir Region
中文: 干藏和淹水对三峡库区21种草本植物种子萌发的影响
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英文: The plant biodiversity and its conservation in the submersion district and the immigration district of the Three-Gorges,China
中文: 长江三峡淹没区与移民安置区植物多样性及其保护策略
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