Therefore, it is of great significance to research on the piston skirt profile design and to find an advanced reasonable piston skirt surface design method.
因此，研究活塞裙部型面的设计，寻求一种先进合理的活塞裙面设计方法，具有重要的意义。
In addition, dialectical relation between jewelry design and metal surface technics is discussed, and the idea of "disclosing technics by design, upgrading design by technics" is advanced definitely.
并对首饰设计与金属表面工艺的辩证关系进行了论述，明确地提出了“用设计揭示工艺，用工艺提升设计”的理念。
In addition, dialectical relation between jewelry design and metal surface technics is discussed, and the idea of "disclosing technics by design, upgrading design by technics" is advanced definitely.
并对首饰设计与金属表面工艺的辩证关系进行了论述，明确地提出了“用设计揭示工艺，用工艺提升设计”的理念。
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