revolutions per minute

简明释义

每分转数

英英释义

例句

1.The fan operates quietly at 1200 revolutions per minute on its lowest setting.

风扇在最低档时以1200每分钟转数安静地运转。

2.A typical washing machine spins at around 1200 revolutions per minute during the final cycle.

一台典型的洗衣机在最后一轮时的旋转速度约为1200每分钟转数。

3.The drill can reach speeds of up to 2000 revolutions per minute, making it efficient for heavy-duty tasks.

这款电钻的转速可达到2000每分钟转数，使其适用于重型任务。

4.The engine runs at 3000 revolutions per minute to deliver optimal power.

发动机以3000每分钟转数运行，以提供最佳动力。

5.For optimal performance, the blender should operate at a speed of 15000 revolutions per minute.

为了获得最佳性能，搅拌机应以15000每分钟转数的速度运行。

作文

Understanding the concept of revolutions per minute is crucial in various fields, particularly in engineering, automotive design, and physics. This term refers to the number of complete turns or cycles an object makes in one minute. In many mechanical systems, the efficiency and performance are often measured by how quickly a component can rotate. For instance, in an engine, the speed at which the crankshaft rotates is expressed in revolutions per minute (每分钟转数), which directly affects the power output and fuel efficiency of the vehicle. A higher revolutions per minute indicates that the engine is operating at a faster speed, allowing it to generate more power. However, there is a trade-off; operating an engine at excessively high revolutions per minute can lead to increased wear and tear on the engine components, potentially resulting in failure over time.In the context of machinery, such as lathes or drills, revolutions per minute is a critical specification that determines the suitability of a machine for specific tasks. For example, woodworkers may require a drill to operate at lower revolutions per minute to prevent overheating and damaging the material, while metalworkers might need higher speeds for efficient cutting. Understanding the appropriate revolutions per minute for different materials is essential for achieving the best results while maintaining safety and equipment longevity.The measurement of revolutions per minute is not limited to mechanical devices; it also applies to various scientific experiments. For instance, in physics, when studying rotational motion, the angular velocity of an object can be expressed in revolutions per minute. This allows scientists to analyze the dynamics of spinning bodies, such as planets or particles in a collider, providing insights into fundamental principles of motion and energy.In the fitness industry, revolutions per minute is often used to describe the cadence of cycling exercises. Indoor cycling classes frequently emphasize maintaining a specific revolutions per minute to optimize cardiovascular benefits and calorie burn. In this context, participants learn to adjust their pedaling speed to match the instructor's pace, aiming for a balance between endurance and intensity. Monitoring revolutions per minute during workouts can help individuals track their progress and improve their performance over time.In conclusion, the term revolutions per minute (每分钟转数) is a fundamental measurement that finds application across various disciplines. Whether in automotive engineering, machinery operation, scientific research, or fitness training, understanding and effectively utilizing revolutions per minute can lead to improved efficiency, performance, and outcomes. As technology continues to advance, the significance of this measurement will likely grow, further emphasizing the importance of mastering its implications in our daily lives and professional practices.

理解“每分钟转数”这一概念在多个领域中至关重要，尤其是在工程、汽车设计和物理学中。这个术语指的是一个物体在一分钟内完成的完整旋转或周期的数量。在许多机械系统中，效率和性能通常通过组件旋转的速度来衡量。例如，在发动机中，曲轴旋转的速度以“每分钟转数”表示，这直接影响车辆的功率输出和燃油效率。更高的每分钟转数表示发动机以更快的速度运行，从而产生更多的动力。然而，这之间存在权衡；以过高的每分钟转数运行发动机会导致发动机部件的磨损增加，可能会导致长期故障。在机械设备的上下文中，如车床或钻机，每分钟转数是决定机器是否适合特定任务的重要规格。例如，木工可能需要钻头以较低的每分钟转数运行，以防止过热和损坏材料，而金属加工者可能需要更高的速度以实现高效切割。了解不同材料的适当每分钟转数对于实现最佳结果，同时保持安全和设备的耐用性至关重要。每分钟转数的测量不仅限于机械设备；它也适用于各种科学实验。例如，在物理学中，当研究旋转运动时，物体的角速度可以用每分钟转数表示。这使科学家能够分析旋转体的动态，例如行星或粒子对撞机中的粒子，从而提供对运动和能量基本原理的深入理解。在健身行业中，每分钟转数通常用于描述骑行锻炼的踏频。室内骑行课程常常强调维持特定的每分钟转数以优化心血管益处和卡路里燃烧。在这种情况下，参与者学习调整他们的踏板速度以匹配教练的节奏，旨在实现耐力和强度之间的平衡。在锻炼过程中监测每分钟转数可以帮助个人跟踪进展并随着时间的推移改善表现。总之，术语每分钟转数（revolutions per minute）是一个基本测量，在各个学科中都找到了应用。无论是在汽车工程、机械操作、科学研究还是健身训练中，理解和有效利用每分钟转数都可以提高效率、性能和结果。随着技术的不断进步，这一测量的意义可能会进一步增强，进一步强调掌握其在我们日常生活和职业实践中的影响的重要性。