neutral line

简明释义

中和轴线

英英释义

例句

1.In a three-phase system, each phase must be balanced with respect to the neutral line 中性线 to prevent overload.

在三相系统中，每个相位必须与中性线 neutral line保持平衡，以防过载。

2.The technician explained that the power supply should be connected to the neutral line 中性线 to ensure safety.

技术人员解释说，电源应连接到中性线 neutral line以确保安全。

3.A fault in the neutral line 中性线 can lead to dangerous voltage levels in electrical appliances.

在电器中，中性线 neutral line的故障可能导致危险的电压水平。

4.The electrician used a multimeter to check the voltage on the neutral line 中性线 for any irregularities.

电工使用万用表检查中性线 neutral line上的电压是否有不规则现象。

5.When wiring a new circuit, make sure to properly connect the neutral line 中性线 to avoid short circuits.

在布线新电路时，请确保正确连接中性线 neutral line以避免短路。

作文

In the realm of physics and engineering, the concept of the neutral line (中性线) plays a crucial role in understanding how materials behave under stress. The neutral line is defined as the line within a beam or structural element where the material experiences no tension or compression during bending. This means that above this line, the material is under compression, while below it, the material is under tension. Understanding the position of the neutral line is essential for engineers when designing structures to ensure they can withstand various loads without failing.When a beam is subjected to bending, the distribution of stress across its cross-section changes. The neutral line serves as a reference point for these stress distributions. For instance, if we consider a simply supported beam with a load applied at its center, the neutral line will be located at the midpoint of the beam when viewed from the side. Above this line, the upper fibers of the beam are compressed, while the lower fibers are stretched. This phenomenon is critical in determining how much load a beam can support before it deforms or breaks.In practical applications, the neutral line is not always easy to identify, especially in complex structures. Engineers often use advanced software and simulations to analyze the behavior of materials under various loading conditions. By accurately locating the neutral line, they can optimize the design of beams and other structural elements to achieve maximum strength and stability. This is particularly important in construction projects where safety is paramount.Furthermore, the neutral line concept extends beyond just beams. It also applies to various other structural components, such as arches, trusses, and even bridges. Each of these structures has a unique neutral line that must be considered during the design process. For example, in arch structures, the neutral line shifts depending on the load distribution, which affects the overall stability of the arch. Similarly, in truss systems, the neutral line helps engineers determine how forces are transmitted through the members of the truss.In addition to its significance in engineering, the neutral line can also be seen in everyday life. For instance, when a person walks across a tightrope, there is a neutral line that runs along the rope, where the tension is balanced. Understanding this balance is key to maintaining stability and preventing falls. This principle can be observed in many scenarios, from balancing objects on a finger to the way trees bend in the wind.In conclusion, the neutral line (中性线) is a fundamental concept in both physics and engineering that provides valuable insight into how materials respond to forces. Its importance cannot be overstated, as it influences the design and safety of countless structures we rely on every day. By mastering the principles associated with the neutral line, engineers can create safer and more efficient designs, ensuring that our built environment remains secure and resilient against various stresses.