order of magnitude

简明释义

恒星等级数量级

英英释义

例句

1.The new technology is expected to improve efficiency by an order of magnitude 数量级.

新技术预计将效率提高一个数量级。

2.Understanding the order of magnitude 数量级 of these figures is crucial for our analysis.

理解这些数字的数量级对我们的分析至关重要。

3.The earthquake's magnitude was reported to be an order of magnitude 数量级 greater than the last one.

这次地震的震级被报告为比上一次高一个数量级。

4.The budget for this project is an order of magnitude 数量级 higher than we initially planned.

这个项目的预算比我们最初计划的高了一个数量级。

5.The population of the city increased by an order of magnitude 数量级 compared to last decade.

与上个十年相比，这座城市的人口增加了一个数量级。

作文

Understanding the concept of order of magnitude is crucial in various fields, including science, engineering, and even everyday life. The term refers to the scale or size of a quantity in relation to another, typically represented as a power of ten. For instance, if one number is ten times larger than another, we say they differ by one order of magnitude. This concept helps us grasp the vast differences in sizes or values that can exist in our world.In scientific research, using order of magnitude can simplify complex data. For example, when discussing distances in space, we might say that the distance from Earth to the Moon is about 384,400 kilometers, while the distance to the nearest star, Proxima Centauri, is approximately 4.24 light years, which translates to about 40 trillion kilometers. In this case, we can easily see that the distance to the star is several orders of magnitude greater than that to the Moon. This comparison allows scientists to communicate effectively without getting bogged down in excessive detail.In engineering, understanding order of magnitude is vital when estimating costs or resources for projects. For instance, if a small bridge costs around $1 million to build, a large suspension bridge could cost around $100 million. Here, the cost difference represents two orders of magnitude. Recognizing these differences helps engineers and project managers make informed decisions about budgeting and resource allocation.Moreover, in economics, order of magnitude can be applied to understand financial figures. For example, if a company’s revenue increases from $1 million to $10 million, that’s a change of one order of magnitude. However, if it then grows to $100 million, that’s another order of magnitude increase. Such insights are crucial for investors and stakeholders who need to assess the growth potential of a business.In our daily lives, we often encounter situations where order of magnitude plays a role. Consider the difference between a small coffee shop making $100 a day in sales versus a large chain store making $10,000 a day. Understanding that the latter is operating at a different order of magnitude helps us appreciate the scale of their operations and the market dynamics at play.In conclusion, the concept of order of magnitude serves as a powerful tool for comparison across various domains. Whether in science, engineering, economics, or everyday life, recognizing the differences in scale allows us to communicate effectively and make informed decisions. As we navigate an increasingly complex world, grasping the significance of order of magnitude can enhance our understanding and improve our problem-solving abilities. By applying this concept, we can better analyze situations, estimate impacts, and ultimately lead to more effective outcomes in our personal and professional lives.

理解数量级的概念在科学、工程甚至日常生活中都至关重要。这个术语指的是一个数量相对于另一个数量的规模或大小，通常以十的幂表示。例如，如果一个数字比另一个大十倍，我们就说它们的差异为一个数量级。这个概念帮助我们把握在我们的世界中存在的巨大大小或数值差异。在科学研究中，使用数量级可以简化复杂的数据。例如，当讨论太空中的距离时，我们可能会说地球到月球的距离大约是384,400公里，而到最近的恒星比邻星的距离约为4.24光年，这相当于大约40万亿公里。在这种情况下，我们可以很容易地看到，到恒星的距离比到月球的距离大几个数量级。这种比较使科学家能够有效地沟通，而不会陷入过多的细节中。在工程中，理解数量级在估算项目成本或资源时至关重要。例如，如果一座小桥的建设成本约为100万美元，那么一座大型悬索桥的成本约为1亿美元。在这里，成本差异代表两个数量级。认识到这些差异帮助工程师和项目经理做出有关预算和资源分配的明智决定。此外，在经济学中，数量级可以用来理解财务数字。例如，如果一家公司收入从100万美元增加到1000万美元，那就是一个数量级的变化。然而，如果它随后增长到1亿美元，那又是另一个数量级的增加。这些见解对需要评估企业增长潜力的投资者和利益相关者至关重要。在我们的日常生活中，我们经常遇到数量级起作用的情况。考虑一下一家小咖啡店每天销售额为100美元，而一家大型连锁店每天销售额为10,000美元。理解后者处于不同的数量级运营，帮助我们欣赏其运营规模和市场动态。总之，数量级的概念作为一个强大的比较工具，在各个领域发挥着作用。无论是在科学、工程、经济学还是日常生活中，识别规模差异使我们能够有效沟通并做出明智的决策。当我们在一个日益复杂的世界中航行时，掌握数量级的重要性可以增强我们的理解能力，提高我们的解决问题的能力。通过应用这一概念，我们可以更好地分析情况，估算影响，并最终在个人和职业生活中取得更有效的结果。