active length

简明释义

活性段长度

英英释义

例句

1.Adjusting the active length of the spring can change its stiffness.

调整弹簧的有效长度可以改变其刚度。

2.Make sure to measure the active length of the antenna before installation.

安装前，请确保测量天线的有效长度。

3.The active length of the rod determines how much weight it can support.

杆的有效长度决定了它能承受多少重量。

4.In this experiment, we will analyze the effect of active length on the frequency response.

在这个实验中，我们将分析有效长度对频率响应的影响。

5.The active length of the cable is crucial for ensuring optimal performance.

电缆的有效长度对于确保最佳性能至关重要。

作文

In the field of engineering and physics, the term active length refers to the portion of a structural element that is effectively contributing to its overall performance. Understanding the concept of active length is crucial for designing safe and efficient structures. For instance, in a beam subjected to bending, only the part of the beam that is under tension or compression is considered to be the active length. This means that engineers must accurately determine which sections of the beam will bear the load and which will not. When analyzing different materials, the active length can vary significantly. For example, in a concrete beam, the active length may be influenced by factors such as the type of reinforcement used and the quality of the concrete mix. In contrast, a steel beam's active length might be affected primarily by its cross-sectional area and the material's yield strength. Thus, understanding how to calculate and apply the active length in various materials is essential for engineers to ensure the integrity of their designs.Moreover, the concept of active length extends beyond just beams. In the realm of mechanical systems, such as springs and levers, the active length can refer to the effective length of the component that contributes to the force exerted. For example, in a spring, the active length would be the length that is compressed or extended during operation. This relationship is vital in determining the spring constant and, ultimately, the spring's performance in an application.Furthermore, the active length is also relevant in biological systems. For instance, in muscle physiology, the active length of a muscle fiber is the length at which the muscle generates the most force. This concept is critical for understanding muscle mechanics and optimizing athletic performance. Athletes often train to improve their strength at specific active lengths, allowing them to maximize their output during competition.In conclusion, the term active length encompasses a wide range of applications across various fields, including engineering, physics, and biology. Its significance lies in its ability to define the effective portion of a structural or functional element that contributes to performance. By mastering the concept of active length, professionals can design more effective systems, whether they are building bridges, creating mechanical devices, or enhancing athletic performance. Therefore, the study of active length is not only important for theoretical understanding but also for practical applications that impact our daily lives.

在工程和物理学领域，术语active length指的是结构元素中有效贡献其整体性能的部分。理解active length的概念对于设计安全高效的结构至关重要。例如，在受弯曲的梁中，只有处于拉伸或压缩状态的梁的部分被认为是active length。这意味着工程师必须准确确定梁的哪些部分将承载负荷，哪些不会。在分析不同材料时，active length可能会有明显不同。例如，在混凝土梁中，active length可能受到所用加固类型和混凝土配合比等因素的影响。相比之下，钢梁的active length可能主要受其截面积和材料屈服强度的影响。因此，了解如何计算和应用各种材料中的active length对工程师确保设计完整性至关重要。此外，active length的概念不仅限于梁。在机械系统的领域，例如弹簧和杠杆，active length可以指有效长度，该组件在施加力时发挥作用。例如，在弹簧中，active length就是在操作过程中被压缩或拉伸的长度。这种关系对于确定弹簧常数和最终弹簧在应用中的表现至关重要。此外，active length在生物系统中也相关。例如，在肌肉生理学中，肌肉纤维的active length是肌肉产生最大力量的长度。这个概念对于理解肌肉力学和优化运动表现至关重要。运动员通常训练以提高特定active length下的力量，使他们在比赛中最大化输出。总之，术语active length涵盖了多个领域的广泛应用，包括工程、物理学和生物学。其重要性在于它能够定义有效部分的结构或功能元素，这些部分对性能做出贡献。通过掌握active length的概念，专业人员可以设计更有效的系统，无论是建造桥梁、创建机械设备，还是增强运动表现。因此，研究active length不仅对理论理解重要，而且对影响我们日常生活的实际应用也至关重要。