active length

简明释义

活动时间;有效长度

英英释义

例句

1.The active length of the cable affects the tension and overall stability of the structure.

电缆的有效长度影响结构的张力和整体稳定性。

2.To ensure accuracy, always check the active length of the measuring tape before starting your project.

为了确保准确性，在开始项目之前务必检查卷尺的有效长度。

3.In this experiment, we measured the active length of the pendulum to calculate its period.

在这个实验中，我们测量了摆的有效长度以计算其周期。

4.The robot's active length is crucial for its ability to reach and manipulate objects.

机器人的有效长度对于其抓取和操作物体的能力至关重要。

5.The active length of the spring determines how much it can stretch before reaching its limit.

弹簧的有效长度决定了它在达到极限之前可以拉伸多少。

作文

In the realm of physics and engineering, understanding the concept of active length is crucial for analyzing various systems. The term active length refers to the portion of a mechanical element that is engaged in performing work or contributing to the overall function of a system. For instance, in the context of springs, the active length would be the length of the spring that actually compresses or extends when a force is applied. This concept is not only limited to springs but can also be applied to other mechanical components such as beams, levers, and even muscles in biological organisms.When designing structures or mechanical systems, engineers must consider the active length of each component to ensure optimal performance and safety. If the active length is too short, the component may not be able to handle the required load, leading to potential failure. Conversely, if the active length is excessively long, it may result in unnecessary material usage and increased weight, which could affect the efficiency of the system.In the field of biomechanics, the active length of muscles plays a significant role in determining the strength and range of motion of an organism. Muscles contract along their active length, and understanding this length is vital for athletes and trainers who aim to enhance performance. For example, a sprinter must optimize their muscle's active length during a race to achieve maximum speed. By training specific muscle groups, athletes can improve the active length and thus enhance their overall athletic performance.Furthermore, the active length can vary depending on the position of the component or muscle. For instance, in a hydraulic system, the active length of a piston changes as it moves through its stroke. Engineers must account for these variations to design effective systems that operate smoothly under different conditions.In conclusion, the concept of active length is fundamental across various fields, from mechanical engineering to biology. It helps us understand how components interact and perform under different circumstances. By mastering the implications of active length, professionals can design better systems, enhance athletic performance, and ultimately contribute to advancements in technology and health. Understanding the active length not only aids in practical applications but also fosters a deeper appreciation for the intricate workings of both man-made and natural systems.

在物理和工程领域，理解“active length”这一概念对于分析各种系统至关重要。术语“active length”指的是机械元件中参与工作或对系统整体功能有贡献的部分。例如，在弹簧的上下文中，“active length”将是当施加力时实际压缩或延伸的弹簧长度。这个概念不仅限于弹簧，还可以应用于其他机械组件，如梁、杠杆，甚至生物有机体中的肌肉。在设计结构或机械系统时，工程师必须考虑每个组件的“active length”以确保最佳性能和安全性。如果“active length”过短，组件可能无法承受所需的负载，导致潜在的故障。相反，如果“active length”过长，可能会导致不必要的材料使用和增加重量，这可能影响系统的效率。在生物力学领域，肌肉的“active length”在决定生物体的力量和运动范围方面起着重要作用。肌肉沿其“active length”收缩，理解这个长度对运动员和教练来说至关重要，他们旨在提高表现。例如，短跑运动员必须在比赛中优化其肌肉的“active length”以达到最大速度。通过训练特定的肌肉群，运动员可以改善“active length”，从而增强其整体运动表现。此外，“active length”可能会根据组件或肌肉的位置而变化。例如，在液压系统中，活塞的“active length”在其行程中移动时会发生变化。工程师必须考虑这些变化，以设计出在不同条件下平稳运行的有效系统。总之，“active length”这一概念在各个领域都是基础，从机械工程到生物学。它帮助我们理解组件在不同情况下如何相互作用和表现。通过掌握“active length”的含义，专业人士可以设计更好的系统，提高运动表现，并最终为技术和健康的进步做出贡献。理解“active length”不仅有助于实际应用，还促进了对人造和自然系统复杂运作的更深刻理解。