revolutions per minute

简明释义

转数分钟

英英释义

A unit of measurement that indicates the number of complete rotations or turns an object makes around a fixed axis in one minute.

一个测量单位,表示一个物体在一分钟内围绕固定轴完成的完整旋转或转动的次数。

例句

1.The drill operates at a speed of 3000 revolutions per minute for efficient cutting.

该钻机以3000每分钟转数的速度运行,以实现高效切割。

2.The engine runs at a maximum of 6000 revolutions per minute.

这台引擎的最高转速为6000每分钟转数

3.You should check the revolutions per minute of the fan to ensure it’s working properly.

你应该检查风扇的每分钟转数以确保它正常工作。

4.A typical bicycle wheel spins at about 100 revolutions per minute when pedaling fast.

当快速踩踏时,典型的自行车轮子大约以100每分钟转数旋转。

5.For optimal performance, maintain the motor at 1500 revolutions per minute.

为了获得最佳性能,请将电机保持在1500每分钟转数

作文

Understanding the concept of revolutions per minute is crucial in various fields, especially in engineering and automotive industries. This term refers to the number of complete rotations that an object makes around a fixed axis in one minute. It is commonly abbreviated as RPM and serves as a standard measurement for the speed of rotating machinery. For instance, in a car engine, the revolutions per minute indicates how fast the engine is running. A higher RPM generally means more power but can also lead to increased wear and tear on the engine components.In mechanical engineering, knowing the revolutions per minute of a machine is vital for ensuring optimal performance. Engineers often design machines to operate within specific RPM ranges to maintain efficiency and prevent damage. For example, a drill might have an ideal RPM for drilling through different materials. If the RPM is too low, the drill may not penetrate effectively, while an excessively high RPM could overheat the drill bit and cause it to break.In addition to engineering applications, revolutions per minute is also significant in the field of music. Turntables, which are used by DJs and audiophiles alike, often operate at standard speeds measured in RPM. The most common speeds are 33 1/3 and 45 RPM, which determine how quickly the record spins. This speed affects the pitch and quality of the sound produced. Understanding these RPM values is essential for anyone involved in audio production or music appreciation.Furthermore, the concept of revolutions per minute extends to fitness and exercise equipment. For instance, stationary bikes often display RPM to indicate how fast a user is pedaling. Monitoring RPM during a workout can help individuals gauge their intensity and adjust their efforts accordingly. Higher RPMs usually correlate with more vigorous exercise, which can lead to better cardiovascular health.In summary, revolutions per minute is a versatile term that applies to various domains, from engineering to music and fitness. Its importance cannot be overstated, as it provides critical information about the speed and efficiency of rotating objects. Whether you are a mechanic tuning an engine, a DJ mixing tracks, or someone working out on a stationary bike, understanding RPM will enhance your knowledge and performance in that particular area. As technology continues to evolve, the relevance of revolutions per minute remains significant, highlighting the need for individuals in different fields to grasp this fundamental concept.

理解“每分钟转数”这一概念在各个领域中至关重要,特别是在工程和汽车工业中。这个术语指的是一个物体围绕固定轴在一分钟内完成的完整旋转次数。它通常缩写为RPM,并作为旋转机械速度的标准测量。例如,在汽车发动机中,“每分钟转数”指示发动机的运转速度。较高的RPM通常意味着更多的动力,但也可能导致发动机部件的磨损加剧。在机械工程中,了解机器的“每分钟转数”对于确保最佳性能至关重要。工程师通常设计机器,使其在特定的RPM范围内运行,以保持效率并防止损坏。例如,钻头可能有一个理想的RPM,用于穿透不同材料。如果RPM过低,钻头可能无法有效穿透,而过高的RPM则可能导致钻头过热并导致其断裂。除了工程应用外,“每分钟转数”在音乐领域也具有重要意义。唱盘,DJ和音响爱好者都常用的设备,通常以RPM为标准速度。最常见的速度是33 1/3和45 RPM,这决定了唱片旋转的快慢。这一速度影响所产生声音的音调和质量。了解这些RPM值对于任何参与音频制作或音乐欣赏的人来说都是至关重要的。此外,“每分钟转数”这一概念还扩展到健身和运动设备。例如,固定自行车通常显示RPM,以指示用户的踩踏速度。在锻炼过程中监测RPM可以帮助个人评估自己的强度并相应调整努力。较高的RPM通常与更剧烈的锻炼相关,这可以促进更好的心血管健康。总之,“每分钟转数”是一个适用于多个领域的多功能术语,从工程到音乐再到健身。它的重要性不容小觑,因为它提供了关于旋转物体速度和效率的关键信息。无论你是调试发动机的机械师、混音曲目的DJ,还是在固定自行车上锻炼的人,理解RPM将增强你在该领域的知识和表现。随着技术的不断发展,“每分钟转数”的相关性仍然显著,强调了不同领域的个人掌握这一基本概念的必要性。

相关单词

revolutions

revolutions详解:怎么读、什么意思、用法

per

per详解:怎么读、什么意思、用法