eccentricity ratio

简明释义

偏心率

英英释义

例句

1.In engineering, the eccentricity ratio 偏心率 is crucial for analyzing the stability of rotating machinery.

在工程学中，eccentricity ratio 偏心率对分析旋转机械的稳定性至关重要。

2.Astronomers use the eccentricity ratio 偏心率 to classify different types of celestial bodies.

天文学家使用eccentricity ratio 偏心率来分类不同类型的天体。

3.A higher eccentricity ratio 偏心率 often indicates a more elongated orbit.

较高的eccentricity ratio 偏心率通常表示轨道更加拉长。

4.The eccentricity ratio 偏心率 of an ellipse affects how it focuses light.

椭圆的eccentricity ratio 偏心率影响其聚焦光线的方式。

5.The eccentricity ratio 偏心率 of a planetary orbit can determine its shape.

一个行星轨道的eccentricity ratio 偏心率可以决定它的形状。

作文

Understanding the concept of eccentricity ratio is essential in various fields, particularly in astronomy and engineering. The eccentricity ratio is a measure that describes how much an orbit deviates from being circular. It is defined as the ratio of the distance between the foci of an ellipse to the length of its major axis. In simpler terms, it quantifies the 'flattening' of an orbit or shape. An eccentricity ratio of 0 indicates a perfect circle, while values closer to 1 indicate more elongated ellipses. This concept is crucial when analyzing planetary orbits, satellite paths, and even the shapes of certain mechanical components.In astronomy, the eccentricity ratio plays a significant role in understanding the motion of celestial bodies. For example, the orbits of planets around the sun are not perfect circles but ellipses with varying eccentricity ratios. Earth's orbit has an eccentricity ratio of about 0.0167, which means it is nearly circular but still slightly elliptical. On the other hand, the orbit of comets often has a much higher eccentricity ratio, indicating a more elongated path that can take them far from the sun before returning. This variance in eccentricity ratios among different celestial objects helps astronomers predict their movements and understand the dynamics of our solar system.In engineering, the eccentricity ratio is equally important. For instance, in the design of gears or rotating machinery, engineers must consider how the eccentricity ratio affects performance and efficiency. A gear with a high eccentricity ratio may lead to uneven wear and tear, resulting in mechanical failure over time. Therefore, understanding and calculating the eccentricity ratio can help engineers create more reliable and durable products.Furthermore, the eccentricity ratio is also relevant in fields such as architecture and structural engineering. When designing arches or bridges, architects must account for the eccentricity ratio to ensure stability and aesthetic appeal. An arch with the right eccentricity ratio will distribute weight evenly, preventing structural issues that could arise from improper design.In conclusion, the eccentricity ratio is a fundamental concept that finds applications in various domains, from astronomy to engineering and architecture. Its ability to describe the deviation of shapes from circular forms allows professionals in these fields to make informed decisions, optimize designs, and predict behaviors. By mastering the understanding of eccentricity ratio, individuals can enhance their knowledge and skills, leading to advancements in technology and science. Whether you are studying the orbits of planets or designing a new machine, the eccentricity ratio is a critical factor to consider, illustrating the interconnectedness of mathematics and real-world applications.

理解离心率的概念在多个领域中都是至关重要的，尤其是在天文学和工程学中。离心率是一个测量，描述了一个轨道与圆形的偏离程度。它被定义为椭圆两个焦点之间的距离与其主轴长度的比率。简单来说，它量化了轨道或形状的“扁平化”。离心率为0表示完美的圆，而接近1的值则表示更为拉长的椭圆。这一概念在分析行星轨道、卫星路径，甚至某些机械部件的形状时至关重要。在天文学中，离心率在理解天体运动方面发挥着重要作用。例如，围绕太阳的行星轨道并不是完美的圆，而是具有不同离心率的椭圆。地球的轨道的离心率约为0.0167，这意味着它几乎是圆形的，但仍然略微椭圆。另一方面，彗星的轨道通常具有更高的离心率，这表明其路径更加拉长，可以使它们远离太阳，然后再返回。不同天体之间离心率的差异帮助天文学家预测它们的运动，并理解我们太阳系的动力学。在工程学中，离心率同样重要。例如，在齿轮或旋转机械的设计中，工程师必须考虑离心率如何影响性能和效率。具有高离心率的齿轮可能导致不均匀磨损，从而导致机械故障。因此，理解和计算离心率可以帮助工程师创造出更可靠、更耐用的产品。此外，离心率在建筑和结构工程等领域也很相关。当设计拱门或桥梁时，建筑师必须考虑离心率以确保稳定性和美观。具有适当离心率的拱门将均匀分配重量，防止由于设计不当而导致的结构问题。总之，离心率是一个基本概念，在天文学、工程学和建筑等多个领域都有应用。它描述了形状与圆形形式的偏离，使这些领域的专业人士能够做出明智的决策，优化设计，预测行为。通过掌握对离心率的理解，个人可以提升他们的知识和技能，从而推动技术和科学的发展。无论你是在研究行星的轨道还是设计新机器，离心率都是一个关键因素，展示了数学与现实世界应用的相互关联。