length change

简明释义

长度变化

英英释义

例句

1.The length change in the fabric was noticeable after the first wash.

面料在第一次洗涤后的长度变化是显而易见的。

2.We need to calculate the length change due to temperature fluctuations in our materials.

我们需要计算由于温度波动导致的材料的长度变化。

3.The length change of the wire under tension can affect the overall design of the bridge.

电线在拉力下的长度变化可能会影响桥梁的整体设计。

4.In this experiment, we will observe the length change in the rubber band when stretched.

在这个实验中，我们将观察橡皮筋被拉伸时的长度变化。

5.The engineer measured the length change of the material after it was heated.

工程师测量了材料加热后的长度变化。

作文

In the world of physics and engineering, understanding various concepts is crucial for innovation and problem-solving. One such concept is length change, which refers to the alteration in the length of an object when subjected to external forces or temperature variations. This phenomenon is particularly significant in materials science, where engineers must predict how materials will behave under different conditions. For instance, when a metal rod is heated, it expands, leading to a length change that can affect the integrity of structures. Similarly, when materials are cooled, they contract, resulting in another length change that can cause stress in joints and connections. To illustrate the importance of length change, consider the construction of bridges. Engineers must take into account the thermal expansion of the materials used in the bridge's construction. If they do not adequately account for length change, the bridge could suffer from structural weaknesses over time, potentially leading to catastrophic failures. Therefore, precise calculations and material choices are essential to ensure that the length change does not compromise the safety and functionality of the bridge.Moreover, length change is not only relevant in large-scale engineering projects but also in everyday items. For example, when a rubber band is stretched, it undergoes a length change. Understanding this behavior allows manufacturers to create better products that can withstand repeated use without breaking. Similarly, in textiles, the length change of fibers during washing and drying is an important consideration for maintaining the quality and fit of clothing.In summary, the concept of length change plays a vital role in various fields, from engineering to everyday life. By recognizing and understanding the factors that contribute to length change, professionals can design safer structures, create more durable products, and ultimately improve the quality of our lives. As we continue to innovate and develop new technologies, the significance of length change will only grow, making it an essential area of study for future engineers and scientists.

在物理和工程的世界中，理解各种概念对于创新和解决问题至关重要。其中一个概念是长度变化，它指的是当物体受到外部力或温度变化时，其长度的改变。这种现象在材料科学中尤为重要，因为工程师必须预测材料在不同条件下的表现。例如，当金属杆被加热时，它会膨胀，从而导致长度变化，这可能会影响结构的完整性。同样，当材料被冷却时，它们会收缩，导致另一个长度变化，这可能会在接头和连接处造成应力。为了说明长度变化的重要性，考虑一下桥梁的建设。工程师必须考虑到用于桥梁建造的材料的热膨胀。如果他们没有充分考虑长度变化，桥梁可能会随着时间的推移而出现结构弱点，从而导致灾难性的故障。因此，精确的计算和材料选择对于确保长度变化不会危及桥梁的安全性和功能性至关重要。此外，长度变化不仅与大规模工程项目相关，也与日常物品息息相关。例如，当橡皮筋被拉伸时，它会经历长度变化。理解这种行为使制造商能够创造出更好的产品，这些产品可以承受反复使用而不易断裂。同样，在纺织品中，洗涤和干燥过程中纤维的长度变化是保持衣物质量和合身的重要考虑因素。总之，长度变化这一概念在各个领域中发挥着至关重要的作用，从工程到日常生活。通过认识和理解导致长度变化的因素，专业人员可以设计出更安全的结构，创造出更耐用的产品，最终提高我们的生活质量。随着我们继续创新和开发新技术，长度变化的重要性只会增加，使其成为未来工程师和科学家的重要研究领域。