neutral line

简明释义

中线性

英英释义

例句

1.In a circuit diagram, the neutral line 中性线 is essential for completing the electrical circuit.

在电路图中，中性线 neutral line 对于完成电路是必不可少的。

2.The technician explained that the neutral line 中性线 must be properly connected to avoid electrical hazards.

技术员解释说，必须正确连接中性线 neutral line 以避免电气危险。

3.During the inspection, we found that the neutral line 中性线 was damaged and needed replacement.

在检查过程中，我们发现中性线 neutral line 损坏，需要更换。

4.To ensure safety, always check the neutral line 中性线 before starting any electrical work.

为了确保安全，在开始任何电气工作之前，请务必检查中性线 neutral line。

5.The electrician showed us how to identify the neutral line 中性线 in the wiring.

电工向我们展示了如何在布线中识别中性线 neutral line。

作文

In the realm of physics and engineering, the concept of the neutral line plays a crucial role in understanding how structures behave under various loads. The neutral line is defined as the line within a beam or structural element where no tensile or compressive stresses occur when the structure is subjected to bending. This means that above this line, the material experiences compression, while below it, the material undergoes tension. Understanding this concept is essential for engineers and architects alike, as it helps them design safer and more efficient structures.To illustrate the importance of the neutral line, let us consider a simple beam supported at both ends. When a load is applied at the center of the beam, it bends. The top part of the beam gets compressed, while the bottom part stretches. The neutral line is located at the midpoint of the beam's height, where the forces of compression and tension balance each other out. This line remains unchanged in length during bending, which is why it is referred to as 'neutral.'The position of the neutral line can vary depending on the shape and material properties of the beam. For instance, in a rectangular beam, the neutral line runs horizontally through the center. However, in more complex shapes, such as I-beams or T-beams, the neutral line may not align with the geometric center of the beam. Engineers must carefully calculate the location of the neutral line to ensure that the beam can withstand applied loads without failing.Moreover, the neutral line is not only significant in static loading conditions but also in dynamic situations, such as during earthquakes or wind loads. Structures must be designed to accommodate movements and forces that can shift the location of the neutral line. Failure to account for these factors can lead to catastrophic structural failures, emphasizing the necessity of understanding the neutral line in engineering practices.In addition to its applications in civil engineering, the neutral line concept is also relevant in other fields, such as biomechanics. For example, when analyzing the bending of bones or biological tissues, understanding where the neutral line lies can help in designing better prosthetics or orthopedic devices. By ensuring that these devices distribute forces appropriately around the neutral line, manufacturers can improve their functionality and comfort for users.In conclusion, the neutral line is a fundamental concept that transcends various disciplines, from structural engineering to biomechanics. It provides valuable insights into how materials respond to forces and helps engineers create robust designs that ensure safety and performance. As we continue to innovate and push the boundaries of design, a thorough understanding of the neutral line will remain an essential aspect of engineering education and practice. Incorporating this knowledge into our designs will ultimately lead to more resilient structures capable of withstanding the challenges they face in the real world.

在物理和工程领域，中性线的概念在理解结构在各种载荷下的行为方面发挥着至关重要的作用。中性线被定义为在梁或结构元件内部，当该结构受到弯曲时，没有拉伸或压缩应力发生的线。这意味着在这条线的上方，材料经历压缩，而在其下方，材料经历拉伸。理解这个概念对于工程师和建筑师来说至关重要，因为它帮助他们设计更安全、更高效的结构。为了说明中性线的重要性，让我们考虑一个简单的在两端支撑的梁。当在梁的中心施加负载时，它会弯曲。梁的顶部受到压缩，而底部则被拉伸。中性线位于梁高度的中点，在那里，压缩和拉伸的力量相互平衡。这条线在弯曲过程中保持长度不变，这就是为什么它被称为“中性”的原因。中性线的位置可以根据梁的形状和材料特性而变化。例如，在矩形梁中，中性线水平通过中心。然而，在更复杂的形状中，如I型梁或T型梁，中性线可能不会与梁的几何中心对齐。工程师必须仔细计算中性线的位置，以确保梁能够承受施加的载荷而不发生失效。此外，中性线不仅在静态加载条件下重要，而且在动态情况下也同样重要，例如在地震或风载荷期间。结构必须设计成能够适应可能移动中性线的位置的运动和力量。未能考虑这些因素可能导致灾难性的结构失效，强调了在工程实践中理解中性线的必要性。除了在土木工程中的应用外，中性线的概念在其他领域也相关，例如生物力学。例如，在分析骨骼或生物组织的弯曲时，了解中性线的位置可以帮助设计更好的假肢或矫形装置。通过确保这些设备在中性线周围适当地分配力量，制造商可以提高其功能性和用户的舒适度。总之，中性线是一个基本概念，超越了多个学科，从结构工程到生物力学。它提供了关于材料如何响应力量的宝贵见解，并帮助工程师创造出确保安全和性能的稳健设计。随着我们继续创新并推动设计的边界，对中性线的透彻理解将始终是工程教育和实践的一个重要方面。将这一知识融入我们的设计最终将导致更具韧性的结构，能够承受现实世界中面临的挑战。