revolutions per minute

简明释义

每分钟转数每分钟转数每分钟转数

英英释义

例句

1.To achieve optimal performance, the motor should not exceed 4500 revolutions per minute.

为了达到最佳性能，电动机的转速不应超过4500每分钟转数。

2.The engine runs at a speed of 3000 revolutions per minute.

发动机的转速为3000每分钟转数。

3.A typical bicycle wheel spins at about 100 revolutions per minute when cycling at a moderate pace.

在中等速度骑行时，普通自行车轮子的转速约为100每分钟转数。

4.The centrifuge can reach speeds of up to 5000 revolutions per minute.

离心机的最高转速可达到5000每分钟转数。

5.The drill operates at 1200 revolutions per minute for efficient drilling.

这台钻机的工作转速为1200每分钟转数，以实现高效钻孔。

作文

Understanding the concept of revolutions per minute is crucial in various fields, especially in engineering and mechanics. This term refers to the number of complete turns a rotating object makes in one minute. It is commonly abbreviated as RPM. For instance, in the context of an engine, revolutions per minute (每分钟转数) indicates how many times the engine's crankshaft completes a full rotation in one minute. This measurement is vital for assessing the performance and efficiency of machines. In automotive engineering, the RPM of an engine can significantly affect its power output and fuel efficiency. Higher revolutions per minute (每分钟转数) usually suggest that the engine is working harder, which can lead to increased power but may also result in higher fuel consumption. Conversely, operating at lower RPMs can enhance fuel efficiency but may limit the vehicle's acceleration capabilities. Thus, understanding how to manage RPM is essential for both performance enthusiasts and everyday drivers.Moreover, revolutions per minute is not only applicable to engines but also to other rotating machinery such as electric motors, fans, and even hard drives in computers. In these contexts, knowing the optimal RPM can help ensure that the machinery operates efficiently and lasts longer. For example, a fan operating at too high an RPM may create unnecessary noise and wear out faster, while a hard drive spinning at lower RPMs might not perform as quickly as needed for certain applications.In the world of fitness, the concept of revolutions per minute (每分钟转数) is also relevant. Stationary bicycles often feature a display that shows the RPM of the pedals. Cyclists use this information to optimize their workout intensity. A higher RPM can indicate a more vigorous workout, while a lower RPM might be suitable for recovery or endurance training. Therefore, athletes and trainers pay close attention to RPM to tailor their training programs effectively.Furthermore, the significance of revolutions per minute extends into the realm of music. Turntables, for instance, operate at specific RPMs to play vinyl records accurately. The standard speeds are typically 33 1/3 RPM and 45 RPM, which affect the pitch and playback speed of the music. Understanding these RPM settings allows audiophiles to appreciate the nuances of sound quality and fidelity in their music collection.In conclusion, the term revolutions per minute (每分钟转数) plays a vital role across numerous disciplines, from engineering and automotive performance to fitness and music. By grasping the implications of RPM, individuals can make informed decisions that enhance efficiency, performance, and enjoyment in various aspects of their lives. Whether you are tuning an engine, cycling, or enjoying your favorite record, awareness of revolutions per minute is key to optimizing your experience.

理解“每分钟转数”这一概念在各个领域都至关重要，尤其是在工程和机械方面。这个术语指的是一个旋转物体在一分钟内完成的完整转动次数。通常缩写为RPM。例如，在发动机的上下文中，“每分钟转数”表示发动机曲轴在一分钟内完成的完整旋转次数。这个测量对于评估机器的性能和效率至关重要。在汽车工程中，发动机的RPM会显著影响其功率输出和燃油效率。较高的“每分钟转数”通常意味着发动机工作更努力，这可能会导致功率增加，但也可能导致燃油消耗增加。相反，以较低的RPM运转可以提高燃油效率，但可能限制车辆的加速能力。因此，理解如何管理RPM对于性能爱好者和日常驾驶者来说都是必不可少的。此外，“每分钟转数”不仅适用于发动机，还适用于其他旋转机械，如电动机、风扇甚至计算机中的硬盘。在这些情况下，了解最佳RPM可以帮助确保机械高效运行并延长其使用寿命。例如，风扇以过高的RPM运转可能会产生不必要的噪音并加速磨损，而低RPM旋转的硬盘可能无法满足某些应用程序所需的速度。因此，运动员和教练密切关注RPM，以有效地调整他们的训练计划。此外，“每分钟转数”的重要性还延伸到音乐领域。例如，唱盘以特定的RPM运转，以准确播放黑胶唱片。标准速度通常是33 1/3 RPM和45 RPM，这会影响音乐的音调和播放速度。理解这些RPM设置使音响爱好者能够欣赏他们音乐收藏中的音质和保真度的细微差别。总之，“每分钟转数”在多个学科中扮演着至关重要的角色，从工程和汽车性能到健身和音乐。通过掌握RPM的含义，个人可以做出明智的决策，从而提高生活各个方面的效率、性能和乐趣。无论你是在调校发动机、骑自行车，还是享受自己喜欢的唱片，意识到“每分钟转数”是优化体验的关键。