free path

简明释义

自由行程

英英释义

例句

1.The car found a clear free path to overtake the truck.

这辆车找到了一个清晰的畅通路径来超越卡车。

2.The city planned new roads to ensure a free path for emergency vehicles.

城市规划了新道路，以确保紧急车辆有一条畅通路径。

3.In the forest, the animals moved swiftly through their free path between the trees.

在森林里，动物们在树木之间迅速穿过它们的畅通路径。

4.The software allows users to create a free path for data transfers without interruptions.

该软件允许用户创建一条畅通路径，以便数据传输不受干扰。

5.During the race, the cyclist spotted a free path and gained a significant lead.

在比赛中，骑自行车的人发现了一条畅通路径，并取得了显著的领先。

作文

In the realm of physics, the concept of a free path refers to the distance a particle travels between successive collisions with other particles. This idea is crucial in understanding various phenomena, especially in the fields of gas dynamics and statistical mechanics. The free path can significantly influence how gases behave under different conditions, affecting everything from diffusion rates to pressure and temperature relationships.To elaborate, when we consider a gas at a given temperature and pressure, the molecules are in constant motion, colliding with one another and with the walls of their container. The average distance that these molecules travel before colliding again is known as the mean free path. This distance is influenced by factors such as the size of the molecules, their speed, and the density of the gas. For instance, in a low-density gas, the average free path is longer because there are fewer molecules in the same volume, leading to less frequent collisions.Understanding the average free path is essential for many applications, including the design of vacuum systems and the study of atmospheric science. In vacuum systems, engineers aim to create environments where the mean free path is maximized, allowing particles to travel longer distances without interference. This principle is vital in fields like semiconductor manufacturing, where contamination from stray particles can ruin delicate processes.In atmospheric science, the concept of free path helps scientists understand how pollutants disperse in the air. When considering pollution control measures, it is important to know how far a pollutant can travel before it collides with other particles or surfaces. This information aids in predicting the spread of contaminants and in developing strategies for mitigating their effects on air quality.Moreover, the concept of free path extends beyond just gases. In optics, for example, light can be thought of as traveling through a medium until it interacts with particles. The average distance light travels before scattering can also be described in terms of a free path. This understanding is critical in fields like fiber optics and telecommunications, where minimizing scattering can enhance signal quality and transmission efficiency.In conclusion, the notion of a free path is a fundamental concept that stretches across various scientific disciplines. Whether discussing the behavior of gases, the movement of pollutants, or the propagation of light, understanding the average free path allows scientists and engineers to predict behaviors, design better systems, and improve technologies. As research continues to evolve, the implications of free path will undoubtedly expand, leading to new discoveries and innovations in our understanding of the physical world.

在物理学领域，自由路径的概念指的是粒子在与其他粒子连续碰撞之间所行进的距离。这个思想在理解各种现象中至关重要，尤其是在气体动力学和统计力学领域。自由路径可以显著影响气体在不同条件下的行为，影响从扩散速率到压力和温度关系的方方面面。进一步阐述，当我们考虑在给定温度和压力下的气体时，分子处于不断运动中，相互碰撞以及与容器壁碰撞。分子在再次碰撞之前的平均距离被称为平均自由路径。这个距离受到分子大小、速度和气体密度等因素的影响。例如，在低密度气体中，平均自由路径较长，因为在同一体积内分子较少，导致碰撞频率降低。理解平均自由路径对许多应用至关重要，包括真空系统的设计和大气科学的研究。在真空系统中，工程师们旨在创造出平均自由路径最大化的环境，使粒子能够在不受干扰的情况下行进更长的距离。这个原理在半导体制造等领域至关重要，因为来自游离粒子的污染可能会破坏精密过程。在大气科学中，自由路径的概念帮助科学家理解污染物在空气中的扩散。当考虑污染控制措施时，了解污染物在与其他粒子或表面碰撞之前能够行进多远是非常重要的。这些信息有助于预测污染物的扩散，并制定减轻其对空气质量影响的策略。此外，自由路径的概念不仅限于气体。在光学中，例如，光可以被视为在介质中传播，直到与粒子相互作用。光在散射之前平均行进的距离也可以用自由路径来描述。这种理解在光纤和电信等领域至关重要，因为减少散射可以提高信号质量和传输效率。总之，自由路径的概念是一个跨越多个科学学科的基本概念。无论讨论气体的行为、污染物的运动还是光的传播，理解平均自由路径使科学家和工程师能够预测行为、设计更好的系统并改善技术。随着研究的不断发展，自由路径的影响无疑将扩大，导致我们对物理世界的理解出现新的发现和创新。