number of revolutions

简明释义

转数

英英释义

例句

1.The engine's efficiency can be improved by optimizing the number of revolutions during operation.

通过优化运行过程中的转数，可以提高发动机的效率。

2.The bicycle's odometer tracks the total number of revolutions since it was last reset.

自行车的里程表记录自上次重置以来的总转数。

3.In a centrifuge, the number of revolutions affects the separation of substances.

在离心机中，转数会影响物质的分离。

4.The motor's speed is measured by the number of revolutions per minute.

电动机的速度是通过每分钟的转数来测量的。

5.To calculate the distance traveled, you need to know the number of revolutions the wheel has made.

要计算行驶的距离，你需要知道轮子所做的转数。

作文

In the realm of physics and engineering, the term number of revolutions refers to the total count of complete turns or cycles made by an object around a fixed point or axis. This concept is crucial in various applications, such as machinery, vehicles, and even celestial bodies. Understanding the number of revolutions can help us analyze performance, efficiency, and energy consumption in mechanical systems.For instance, consider a car engine. The engine's performance is often measured in terms of revolutions per minute (RPM), which indicates how many complete turns the engine's crankshaft makes within one minute. A higher number of revolutions typically signifies that the engine is working harder, producing more power, but it also leads to increased fuel consumption and wear on the engine components. Therefore, engineers must strike a balance between power output and efficiency by optimizing the number of revolutions at which the engine operates.Similarly, in the field of manufacturing, machines like lathes and milling machines rely heavily on the number of revolutions to determine cutting speed and precision. The speed at which these machines operate is directly related to the number of revolutions they perform. If a machine runs too slowly, it may not produce the desired finish on a workpiece, while running too fast could lead to overheating and damage. Thus, understanding the optimal number of revolutions for specific tasks is vital for ensuring quality and efficiency in production.In addition to mechanical applications, the number of revolutions also plays a significant role in astronomy. For example, the Earth rotates on its axis, completing one full revolution approximately every 24 hours. This number of revolutions determines the length of a day and influences various natural phenomena, such as tides and weather patterns. Similarly, planets orbit the sun, and their number of revolutions affects their seasons and climate.Moreover, the concept of number of revolutions extends to everyday activities. When riding a bicycle, the rider's pedaling creates a number of revolutions of the pedals, which translates into the movement of the bike. The efficiency of cycling can be improved by optimizing the number of revolutions per minute, allowing riders to maintain speed without excessive effort.In conclusion, the number of revolutions is a fundamental concept that permeates various fields, from engineering and manufacturing to astronomy and daily life. By comprehending this term, we can better understand the dynamics of motion and the factors that influence performance and efficiency in different systems. Whether it is maximizing the output of an engine, ensuring precision in manufacturing, or appreciating the natural rhythms of our planet, the number of revolutions serves as a critical measure that connects diverse disciplines and enhances our understanding of the world around us.

在物理和工程领域，短语number of revolutions指的是一个物体围绕固定点或轴心所做的完整转动或循环的总数。这个概念在机械、车辆甚至天体等各种应用中都至关重要。理解number of revolutions可以帮助我们分析机械系统的性能、效率和能耗。例如，考虑一台汽车发动机。发动机的性能通常以每分钟转速（RPM）来衡量，这表示发动机曲轴在一分钟内完成的完整转动次数。较高的number of revolutions通常意味着发动机工作更努力，产生更多的动力，但这也会导致燃料消耗增加和发动机部件磨损。因此，工程师必须通过优化发动机运行的number of revolutions来平衡动力输出和效率。同样，在制造领域，车床和铣床等机器在很大程度上依赖于number of revolutions来确定切割速度和精度。这些机器的运行速度与它们执行的number of revolutions直接相关。如果机器运行得太慢，可能无法在工件上产生所需的表面效果，而运行得太快可能导致过热和损坏。因此，理解特定任务的最佳number of revolutions对于确保生产的质量和效率至关重要。除了机械应用，number of revolutions在天文学中也扮演着重要角色。例如，地球围绕其轴心旋转，每24小时大约完成一次完整的转动。这个number of revolutions决定了一天的长度，并影响诸如潮汐和天气模式等自然现象。类似地，行星围绕太阳公转，它们的number of revolutions影响着它们的季节和气候。此外，number of revolutions的概念还扩展到日常活动中。当骑自行车时，骑行者的踏板动作产生了踏板的number of revolutions，这转化为自行车的移动。通过优化每分钟的number of revolutions，可以提高骑行的效率，使骑行者在不费力的情况下保持速度。总之，number of revolutions是一个基本概念，渗透到各个领域，从工程和制造到天文学和日常生活。通过理解这个术语，我们可以更好地理解运动的动态以及影响不同系统性能和效率的因素。无论是最大化发动机的输出、确保制造的精度，还是欣赏我们星球的自然节奏，number of revolutions作为一个关键的衡量标准，将不同学科联系在一起，增强了我们对周围世界的理解。