preformed

简明释义

英[priːˈfɔːmd]美[priˈfɔrmd]

adj. 预成型的，预制成的

v. 预先形成（preform 的过去分词）

英英释义

单词用法

同义词

反义词

例句

1.Great works are preformed not by strength but by perseverance.

伟大工作的完成，不是凭力量，而是凭毅力。

2.The service life of the preformed block applied in igniters of sintering machine is 2 ~ 3 years.

该预制块应用在烧结机点火器上，使用寿命可达2 ~3年。

3.A new kind of casting preformed block is introduced.

介绍一种新型浇注料预制块。

4.Objective to compare the result of 3m preformed crowns and Amalgam restoration of primary molars and to evaluate the clinical effect.

目的观察对比3M预成冠用于修复乳磨牙缺损的临床疗效。

5.Evolution is not going to arrive as a preformed package on your human doorstep.

进化，不会如同一个预先制成的包裹，放置在你们人类的门阶上。

6.Preformed hole allows for convenient tagging.

预制的孔使得标记简单方便。

7.They preformed meritorious deeds in the fight to defend the frontiers of our motherland.

他们在保卫祖国边疆的战斗中立了功。

8.The architect used preformed 预制的 concrete blocks to speed up the construction process.

建筑师使用了预制的混凝土块来加快施工进程。

9.The artist created a sculpture using preformed 预先成型的 materials that were easy to manipulate.

艺术家使用了预先成型的材料创作了一座雕塑，这些材料易于操作。

10.The kit includes preformed 预制的 components for easy assembly of the model.

该套件包括预制的组件，方便模型的组装。

11.The company offers preformed 预制的 insulation panels for quick installation in new buildings.

该公司提供预制的绝缘板，以便在新建筑中快速安装。

12.In the lab, we used preformed 预制的 agar plates for our microbiology experiments.

在实验室，我们使用了预制的琼脂培养基进行微生物实验。

作文

In the world of science and technology, the concept of preformed structures has gained significant attention. These structures refer to components that are created or shaped before they are needed in a particular application. For instance, in construction, beams and columns can be preformed to specific dimensions and specifications, allowing for faster assembly on-site. This not only saves time but also ensures that the materials fit together perfectly, reducing the risk of errors during the building process. The idea of preformed elements is not limited to construction; it extends into various fields such as manufacturing, where parts are often preformed to streamline production processes.One of the advantages of using preformed components is the consistency they bring to the final product. When items are preformed, they can be manufactured in controlled environments, ensuring that each piece meets strict quality standards. This is particularly important in industries like aerospace and automotive, where precision is crucial. For example, in aerospace engineering, wing components must be preformed to exact specifications to ensure safety and performance. Any deviation from these specifications could lead to catastrophic failures.Moreover, the use of preformed materials can also contribute to sustainability efforts. By producing components off-site, companies can minimize waste and optimize resource use. This is especially relevant in today’s context, where environmental concerns are at the forefront of many industries. By adopting preformed solutions, businesses can reduce their carbon footprints and promote eco-friendly practices.In addition to the benefits mentioned, preformed materials can also enhance design flexibility. Designers can experiment with different shapes and forms without the constraints of on-site fabrication. This allows for more innovative designs that can be realized through the use of preformed components. Architects and engineers can push the boundaries of creativity, knowing that their ideas can be translated into reality with the help of these pre-manufactured elements.However, there are challenges associated with the use of preformed materials. One significant issue is the transportation of these components. Depending on their size and weight, moving preformed items from the manufacturing site to the construction site can be logistically complex and costly. Companies must carefully plan how to transport these materials to avoid delays and additional expenses.Another challenge is the need for precise measurements and planning. Since preformed components are made to specific sizes, any miscalculation can lead to complications during assembly. Therefore, it is essential for teams to collaborate closely during the design phase to ensure that every detail is accounted for.In conclusion, the concept of preformed structures plays a vital role in modern manufacturing and construction. The advantages of consistency, efficiency, sustainability, and design flexibility make preformed components an attractive option for many industries. Despite the challenges they present, the benefits often outweigh the drawbacks. As technology continues to advance, we can expect to see even more innovative uses for preformed materials, shaping the future of engineering and design. Understanding the significance of preformed elements can help us appreciate their impact on our built environment and the products we use every day.

在科学和技术的世界中，preformed 结构的概念引起了显著的关注。这些结构指的是在特定应用中需要之前创建或塑造的组件。例如，在建筑中，梁和柱可以被 preformed 成特定的尺寸和规格，从而加快现场的组装。这不仅节省了时间，还确保材料完美契合，减少了在建筑过程中出错的风险。preformed 元素的概念并不限于建筑；它扩展到制造等各个领域，在这些领域，零件通常被 preformed 以简化生产流程。使用 preformed 组件的一个优势是它们为最终产品带来的一致性。当物品被 preformed 时，它们可以在受控环境中制造，确保每个部件符合严格的质量标准。这在航空航天和汽车等行业尤为重要，因为精确度至关重要。例如，在航空航天工程中，机翼组件必须被 preformed 成精确的规格，以确保安全和性能。任何偏离这些规格的情况都可能导致灾难性的失败。此外，使用 preformed 材料也可以促进可持续发展努力。通过在现场外生产组件，公司可以最小化浪费并优化资源使用。这在当今环境问题处于许多行业前沿的背景下尤其相关。通过采用 preformed 解决方案，企业可以减少其碳足迹，并推动环保实践。除了提到的好处，preformed 材料还可以增强设计灵活性。设计师可以在没有现场制作限制的情况下尝试不同的形状和形式。这使得通过使用 preformed 组件实现更具创新性的设计成为可能。建筑师和工程师可以突破创造力的界限，知道他们的想法可以借助这些预制元素转化为现实。然而，使用 preformed 材料也面临挑战。一个显著的问题是这些组件的运输。根据它们的大小和重量，从制造地点到施工现场移动 preformed 项目可能在物流上复杂且成本高昂。公司必须仔细计划如何运输这些材料，以避免延误和额外费用。另一个挑战是需要精确的测量和规划。由于 preformed 组件是按特定尺寸制作的，因此任何计算错误都可能导致组装过程中的复杂情况。因此，团队在设计阶段必须密切合作，以确保每个细节都得到考虑。总之，preformed 结构的概念在现代制造和建筑中发挥着至关重要的作用。一致性、效率、可持续性和设计灵活性的优势使得 preformed 组件对许多行业具有吸引力。尽管它们带来了挑战，但好处往往超过缺点。随着技术的不断进步，我们可以期待看到 preformed 材料的更多创新用途，塑造工程和设计的未来。理解 preformed 元素的重要性可以帮助我们欣赏它们对我们建筑环境和日常使用产品的影响。