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题目

11. (5.0分) The 3D printing materials vary depending upon the manufactured products and the______.

11. (5.0分) The 3D printing materials vary depending upon the manufactured products and the______.

题目解答

答案

这道题考察的是对3D打印材料选择因素的理解。题目要求填入一个合适的单词,以完成句子:“3D打印材料根据制造的产品和______而变化。” ### 分析 1. **3D打印材料**:3D打印是一种将数字模型转化为实体物体的制造技术,使用的材料可以是塑料、金属、陶瓷等多种材料。 2. **制造的产品**:不同的产品对材料的要求不同,例如,一些产品需要高强度的材料,而另一些产品可能需要柔韧的材料。 3. **空格部分**:需要填入一个词,表示除了制造的产品之外,另一个影响3D打印材料选择的因素。 ### 常见影响因素 - **成本**:不同的材料成本不同,预算有限的情况下可能会选择更经济的材料。 - **性能**:材料的机械性能、耐热性、耐化学性等。 - **应用领域**:不同的应用领域对材料的要求不同,例如医疗、航空航天、汽车等。 - **打印技术**:不同的3D打印技术适用的材料也不同。 ### 选择 在这些因素中,**应用领域**是一个常见的影响因素,因为它直接决定了材料的选择。例如,医疗领域可能需要生物相容性好的材料,而航空航天领域可能需要高强度和轻质的材料。 ### 答案 因此,填入“application”(应用)是最合适的。 ### 完整句子 “The 3D printing materials vary depending upon the manufactured products and the application.” ### 翻译 “3D打印材料根据制造的产品和应用而变化。”

解析

本题考查3D打印材料选择的影响因素。题目要求填入一个合适的单词,使句子完整。关键在于理解除了“制造的产品”外,另一个决定材料选择的核心因素。需要结合3D打印的实际应用场景,分析可能涉及的技术、经济或领域相关因素。

  1. 明确题干逻辑
    句子结构为“材料因A和B而变化”,其中A是“manufactured products(制造的产品)”,B需与A并列,且属于影响材料选择的关键因素。

  2. 分析常见影响因素

    • 成本:不同材料价格差异大,但题目未提及预算相关词汇。
    • 性能:材料性能(如强度、耐热性)是重要因素,但表述不够直接。
    • 应用领域:不同领域(如医疗、航空航天)对材料有特定需求,与“manufactured products”形成互补。
    • 打印技术:技术类型(如FDM、SLA)影响材料选择,但题目未明确技术细节。
  3. 确定最佳答案
    “Application(应用)”最贴切。它概括了材料选择的最终目标场景,例如医疗领域需生物相容性材料,工业领域需高强度材料,与“manufactured products”共同决定材料类型。

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