elasticity of extension

简明释义

延伸弹性

英英释义

例句

1.When testing fabrics, we measure the elasticity of extension to ensure durability and comfort.

在测试面料时，我们测量延伸弹性以确保耐用性和舒适性。

2.In engineering, understanding the elasticity of extension is crucial for designing flexible structures.

在工程中，理解延伸弹性对于设计灵活的结构至关重要。

3.The elasticity of extension of the material determines how much weight it can support when stretched.

材料的延伸弹性决定了它在拉伸时能支撑多少重量。

4.The elasticity of extension in springs allows them to return to their original shape after being compressed.

弹簧的延伸弹性使它们在被压缩后能够恢复到原来的形状。

5.The elasticity of extension in rubber bands allows them to stretch significantly without breaking.

橡皮筋的延伸弹性使它们能够在不破裂的情况下显著拉伸。

作文

The concept of elasticity of extension is crucial in understanding how materials respond to forces applied to them. In physics and engineering, elasticity refers to the ability of a material to return to its original shape after being deformed. The term elasticity of extension specifically relates to how much a material can stretch or extend when a force is applied. This property is essential in various applications, from designing buildings that can withstand earthquakes to creating everyday objects like rubber bands and springs.To illustrate the importance of elasticity of extension, consider the example of a simple rubber band. When you pull on a rubber band, it stretches. The degree to which it stretches before returning to its original shape is a direct indication of its elasticity of extension. A rubber band with high elasticity will stretch significantly and return to its original shape quickly, whereas a less elastic band may not return fully or may even break if stretched too far.In engineering, understanding the elasticity of extension is vital for ensuring that structures can handle various loads without deforming permanently. For instance, when designing bridges, engineers must consider how the materials used will behave under different conditions, such as heavy traffic or strong winds. Materials with appropriate elasticity of extension can absorb these forces and maintain their integrity over time.Furthermore, the elasticity of extension can vary significantly between different materials. Metals, for example, typically have a high modulus of elasticity, meaning they can resist deformation under stress. In contrast, materials like rubber exhibit a much lower modulus, allowing them to stretch considerably. This difference is why engineers must select materials carefully based on the specific requirements of a project.In addition to practical applications, the elasticity of extension also plays a role in biological systems. For instance, tendons and ligaments in the human body exhibit elastic properties that are crucial for movement. The ability of these tissues to stretch and then return to their original length allows for smooth and efficient motion. If these tissues were not elastic, movements would be restricted, leading to injuries or decreased mobility.Moreover, the study of elasticity of extension extends beyond physical materials and biological systems; it also has implications in economics. In economics, elasticity measures how responsive one variable is to changes in another. For example, the price elasticity of demand shows how the quantity demanded of a good changes in response to price changes. Similarly, understanding the elasticity of various economic factors helps businesses and policymakers make informed decisions.In conclusion, the elasticity of extension is a multifaceted concept that spans across various fields, including physics, engineering, biology, and economics. Its significance lies in its ability to describe how materials and systems respond to external forces. By grasping the principles behind elasticity of extension, we can better appreciate the design and function of both man-made structures and natural systems, enhancing our understanding of the world around us.

‘延展性弹性’这一概念对于理解材料在受到外力作用时的反应至关重要。在物理学和工程学中，弹性指的是材料在变形后恢复到其原始形状的能力。术语‘延展性弹性’特别与材料在施加力时可以伸展或延伸的程度有关。这一特性在各种应用中都是必不可少的，从设计能够抵御地震的建筑，到创造像橡皮筋和弹簧这样的日常物品。为了说明‘延展性弹性’的重要性，可以考虑一个简单的橡皮筋的例子。当你拉动橡皮筋时，它会伸展。它在恢复到原始形状之前的伸展程度直接表明了它的‘延展性弹性’。具有高弹性的橡皮筋会显著伸展，并迅速恢复到其原始形状，而弹性较差的橡皮筋可能无法完全恢复，甚至在过度拉伸时会断裂。在工程学中，理解‘延展性弹性’对于确保结构在不同负荷下不发生永久变形至关重要。例如，在设计桥梁时，工程师必须考虑所用材料在不同条件下的行为，例如重型交通或强风。具有适当‘延展性弹性’的材料可以吸收这些力量，并随着时间的推移保持其完整性。此外，不同材料之间的‘延展性弹性’可能差异显著。例如，金属通常具有较高的弹性模量，这意味着它们可以抵抗应力下的变形。相比之下，像橡胶这样的材料则表现出较低的模量，允许它们显著伸展。这种差异是工程师必须根据项目的具体要求仔细选择材料的原因。除了实际应用外，‘延展性弹性’在生物系统中也发挥着重要作用。例如，人类身体中的肌腱和韧带表现出弹性特性，这对运动至关重要。这些组织能够伸展然后恢复到原始长度，使得运动顺畅而高效。如果这些组织没有弹性，运动将受到限制，导致受伤或活动能力下降。此外，‘延展性弹性’的研究不仅限于物理材料和生物系统；它在经济学中也有重要意义。在经济学中，弹性衡量一个变量对另一个变量变化的反应程度。例如，需求的价格弹性显示了对价格变化的商品需求量如何变化。同样，理解各种经济因素的弹性有助于企业和政策制定者做出明智的决策。总之，‘延展性弹性’是一个多方面的概念，跨越物理学、工程学、生物学和经济学等多个领域。其重要性在于它能够描述材料和系统如何对外部力量作出反应。通过掌握‘延展性弹性’背后的原理，我们可以更好地欣赏人造结构和自然系统的设计和功能，增强我们对周围世界的理解。