average cross section

简明释义

平均截面;

英英释义

例句

1.The average cross section of the cable is important for calculating its tensile strength.

电缆的平均截面对于计算其抗拉强度非常重要。

2.The average cross section of the river was measured to assess its capacity for flood control.

为了评估洪水控制能力，测量了河流的平均截面。

3.To optimize the design, the architect needed to determine the average cross section of the columns.

为了优化设计，建筑师需要确定柱子的平均截面。

4.The engineer calculated the average cross section of the beam to ensure it could support the load.

工程师计算了梁的平均截面以确保它能够承受负荷。

5.In fluid dynamics, the average cross section of a pipe affects the flow rate of the liquid.

在流体动力学中，管道的平均截面影响液体的流速。

作文

Understanding the concept of an average cross section is essential in various fields, including physics, engineering, and even biology. In simple terms, the average cross section refers to a measure that represents the size or area of a particular object or phenomenon when viewed from a specific angle or orientation. This concept is particularly useful when analyzing objects that are not uniform in shape or size, allowing scientists and engineers to simplify complex data into more manageable figures.For instance, in physics, the average cross section is often used in the study of particle collisions. When particles collide, they can scatter in numerous directions, and the likelihood of these interactions can be quantified using the average cross section. By calculating this value, researchers can predict how often particles will interact under certain conditions, which is crucial for experiments at particle accelerators.Moreover, in engineering, the average cross section plays a vital role in structural analysis. When designing beams, columns, or other structural elements, engineers must consider the average cross section to ensure that the materials used can withstand the forces acting upon them. For example, a bridge's support beams must have an adequate average cross section to support the weight of vehicles and withstand environmental factors like wind and seismic activity. By understanding the average cross section, engineers can make informed decisions about material selection and design specifications, ultimately leading to safer and more efficient structures.In the realm of biology, the average cross section can be applied to the study of organisms and their interactions with the environment. For example, ecologists may use the average cross section of a tree to estimate its biomass or the amount of carbon it sequesters. By measuring the trunk diameter at breast height and applying formulas to calculate the average cross section, researchers can gain insights into the tree's growth patterns and ecological contributions.Furthermore, the average cross section is also significant in the field of medical imaging. Techniques such as MRI and CT scans produce images that represent cross sections of the body. Radiologists analyze these images by focusing on the average cross section of various organs to identify abnormalities or diseases. Understanding the average cross section of healthy versus unhealthy tissue can aid in accurate diagnoses and treatment planning.In conclusion, the term average cross section encompasses a broad range of applications across different scientific disciplines. Its ability to simplify complex shapes and interactions into quantifiable measures makes it an invaluable tool for researchers and professionals alike. Whether in physics, engineering, biology, or medicine, the average cross section provides critical insights that enhance our understanding of the world around us. As we continue to explore and innovate in these fields, mastering the concept of the average cross section will undoubtedly remain a key component of scientific inquiry and practical application.

理解平均截面的概念在物理学、工程学乃至生物学等多个领域都是至关重要的。简单来说，平均截面是指从特定角度或方向观察某一物体或现象时所代表的大小或面积的度量。这个概念在分析形状或大小不均匀的物体时尤其有用，使科学家和工程师能够将复杂的数据简化为更易于管理的数字。例如，在物理学中，平均截面常用于粒子碰撞的研究。当粒子碰撞时，它们可以向多个方向散射，而这些相互作用的可能性可以通过使用平均截面来量化。通过计算该值，研究人员可以预测在特定条件下粒子相互作用的频率，这对于粒子加速器的实验至关重要。此外，在工程学中，平均截面在结构分析中发挥着重要作用。在设计梁、柱或其他结构元素时，工程师必须考虑平均截面以确保所用材料能够承受施加在其上的力量。例如，桥梁的支撑梁必须具有足够的平均截面以支持车辆的重量，并抵御风和地震等环境因素。通过理解平均截面，工程师可以对材料选择和设计规范做出明智的决策，最终导致更安全、更高效的结构。在生物学领域，平均截面可以应用于研究生物体及其与环境的相互作用。例如，生态学家可能会利用平均截面来估算树木的生物量或其固碳量。通过测量树干在胸部高度的直径并应用公式计算平均截面，研究人员可以深入了解树木的生长模式和生态贡献。此外，平均截面在医学成像领域也很重要。MRI和CT扫描等技术生成表示身体截面的图像。放射科医生通过关注各种器官的平均截面来分析这些图像，以识别异常或疾病。理解健康与不健康组织的平均截面之间的差异可以帮助进行准确的诊断和治疗计划。总之，平均截面这一术语涵盖了不同科学学科中的广泛应用。它能够将复杂的形状和相互作用简化为可量化的度量，使其成为研究人员和专业人士不可或缺的工具。无论是在物理学、工程学、生物学还是医学中，平均截面提供了重要的见解，增强了我们对周围世界的理解。随着我们在这些领域的不断探索和创新，掌握平均截面的概念无疑将继续成为科学探究和实际应用的关键组成部分。