stretched length

简明释义

拉伸长度

英英释义

例句

1.The cable has a maximum stretched length of 50 meters when fully extended.

这条电缆在完全伸展时的最大拉伸长度为50米。

2.The fabric can be pulled to a stretched length of 2 meters without tearing.

这块布料可以拉伸到2米的拉伸长度而不会撕裂。

3.The stretched length of the rope determines how far you can pull the load.

绳子的拉伸长度决定了你能拉动负载的距离。

4.During the experiment, the stretched length of the rubber band was measured at various weights.

在实验过程中，橡皮筋的拉伸长度在不同重量下被测量。

5.To ensure safety, always check the stretched length of the bungee cord before jumping.

为了确保安全，跳跃前务必检查弹力绳的拉伸长度。

作文

Understanding the concept of stretched length is crucial in various fields, including physics, engineering, and even everyday life. The term refers to the length of an object when it is extended or pulled taut, as opposed to its original or relaxed state. For example, if you have a rubber band, its stretched length would be the distance between its two ends when you pull it apart, compared to its natural length when it is not being manipulated. This concept can be applied to many materials, such as springs, ropes, and even fabrics, where the elasticity and tensile strength come into play.In physics, the stretched length is often discussed in relation to Hooke's Law, which states that the force needed to extend or compress a spring by some distance is proportional to that distance. This means that the more you stretch a spring, the more force you need to apply, and this relationship can be mathematically expressed. Understanding the stretched length of a spring helps engineers design systems that can withstand certain forces without failing.In engineering, knowing the stretched length of materials is essential for ensuring safety and functionality. For instance, when designing bridges or buildings, engineers must consider how materials will behave under tension and compression. If a cable is used to support a structure, understanding its stretched length when loaded is vital for predicting how it will perform over time. This knowledge helps prevent structural failures and ensures that buildings can withstand environmental stresses.Everyday life also offers numerous examples of stretched length. Consider the act of tying shoelaces. When you pull on the laces to tighten them, you are effectively increasing their stretched length. If the laces are too long, they may not provide the necessary tension to keep your shoes secure. Conversely, if they are too short, they may not allow for proper adjustment. Thus, understanding the stretched length in this context can help you choose the right shoelaces for your needs.In the world of sports, athletes often rely on equipment that has specific stretched lengths. For instance, a tennis racket's strings have a designated tension that affects the racket's performance. If the strings are too loose, the stretched length may not provide the right amount of power and control during a match. Players must find the perfect balance to enhance their game.Furthermore, in the textile industry, manufacturers consider the stretched length of fabrics when creating clothing. Stretchy materials like spandex are designed to return to their original length after being stretched, providing comfort and flexibility. Designers must carefully calculate the stretched length to ensure that garments fit well and allow for movement.In conclusion, the term stretched length encompasses a wide range of applications across different fields. From physics to engineering, sports to fashion, understanding how objects behave when stretched is fundamental to both theoretical studies and practical applications. By grasping the significance of stretched length, we can better appreciate the mechanics of the world around us and make informed decisions in our daily lives.

理解stretched length这个概念在物理、工程甚至日常生活中都是至关重要的。这个术语指的是一个物体在被拉伸或拉紧时的长度，而不是它的原始或放松状态。例如，如果你有一根橡皮筋，它的stretched length就是当你拉开它时，两端之间的距离，与它不被操控时的自然长度相比。这个概念可以应用于许多材料，如弹簧、绳索甚至织物，其中弹性和抗拉强度发挥着作用。在物理学中，stretched length通常与胡克定律有关，该定律指出，延伸或压缩弹簧所需的力与该距离成正比。这意味着你拉伸弹簧越多，就需要施加越多的力，这种关系可以用数学表达。了解弹簧的stretched length有助于工程师设计能够承受特定力量而不失败的系统。在工程领域，了解材料的stretched length对于确保安全和功能至关重要。例如，在设计桥梁或建筑物时，工程师必须考虑材料在拉伸和压缩下的行为。如果使用电缆来支撑结构，了解其在负载下的stretched length对于预测其长期表现至关重要。这种知识有助于防止结构故障，确保建筑能够承受环境压力。日常生活中也有许多stretched length的例子。考虑一下系鞋带的动作。当你拉紧鞋带时，你实际上是在增加它们的stretched length。如果鞋带太长，可能无法提供必要的张力来保持鞋子安全。相反，如果它们太短，可能无法进行适当的调整。因此，在这种情况下理解stretched length可以帮助你选择合适的鞋带。在体育界，运动员往往依赖于具有特定stretched lengths的设备。例如，网球拍的弦有指定的张力，影响着拍子的性能。如果弦太松，stretched length可能无法在比赛中提供正确的力量和控制。球员必须找到完美的平衡，以增强他们的比赛表现。此外，在纺织工业中，制造商在制作服装时会考虑面料的stretched length。像氨纶这样的弹性材料设计成在被拉伸后能恢复到原来的长度，从而提供舒适性和灵活性。设计师必须仔细计算stretched length以确保服装合身并允许运动。总之，术语stretched length涵盖了各个领域的广泛应用。从物理学到工程学，从体育到时尚，理解物体在拉伸时的行为对于理论研究和实际应用都是基础。通过掌握stretched length的重要性，我们可以更好地欣赏周围世界的机制，并在日常生活中做出明智的决策。