revolutions per minute

简明释义

转数分

英英释义

例句

1.To achieve optimal performance, the motor should be set to 1500 revolutions per minute.

为了达到最佳性能，电动机应设定为1500每分钟转数。

2.The bicycle's pedals rotate at 60 revolutions per minute when cycling at a moderate pace.

在适中的骑行速度下，自行车的踏板以60每分钟转数旋转。

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

发动机的转速为3000每分钟转数。

4.A typical washing machine spins at about 1200 revolutions per minute during the spin cycle.

一台典型的洗衣机在脱水循环中大约以1200每分钟转数旋转。

5.The drill operates at a maximum of 2500 revolutions per minute for tough materials.

该钻机在加工坚硬材料时的最高转速为2500每分钟转数。

作文

Understanding the concept of revolutions per minute is crucial in various fields, including engineering, automotive design, and even music. The term revolutions per minute (RPM) refers to the number of complete rotations an object makes around a fixed axis in one minute. This measurement is particularly significant when discussing the performance of engines, motors, and other rotating machinery. For instance, in the automotive industry, the RPM of an engine can determine its efficiency and power output. Higher revolutions per minute typically indicate that the engine is working harder, which can lead to increased speed but may also result in higher fuel consumption and more wear and tear on the engine components.In the context of music, the term revolutions per minute takes on a different meaning. Vinyl records, for example, are often played at specific RPMs, such as 33 1/3 or 45. The speed at which the record spins affects the pitch and quality of the sound produced. A record playing at the correct revolutions per minute will ensure that the audio is true to the artist's original intention, while playing it at the wrong speed can distort the music significantly.The importance of revolutions per minute can also be observed in everyday appliances. Take a washing machine, for example. The spin cycle of a washing machine is measured in RPM, and this determines how effectively water is extracted from the clothes. A higher RPM during the spin cycle means drier clothes, which can lead to shorter drying times and less energy consumption when using a dryer.Furthermore, in the field of physics, revolutions per minute is a vital unit of measurement when studying rotational motion. It helps scientists and engineers calculate angular velocity and understand the dynamics of rotating objects. By converting RPM into radians per second, researchers can analyze the forces acting on these objects and predict their behavior under various conditions.In summary, the term revolutions per minute is more than just a technical jargon; it is a fundamental concept that spans multiple disciplines. Whether in engineering, music, household appliances, or physics, understanding RPM allows individuals to appreciate the mechanics behind the machines and systems that play a significant role in our daily lives. As technology continues to advance, the relevance of revolutions per minute will only grow, making it essential for both professionals and enthusiasts alike to grasp its significance and applications. By familiarizing ourselves with this measurement, we can better understand the intricacies of the world around us and make informed decisions based on the performance and efficiency of various systems. Ultimately, revolutions per minute serves as a reminder of the interconnectedness of different fields and the importance of precision in our technological age.

理解“每分钟转数”这个概念在工程、汽车设计甚至音乐等各个领域都是至关重要的。术语“每分钟转数”（RPM）指的是一个物体在一分钟内围绕固定轴旋转的完整圈数。这个测量在讨论发动机、电动机和其他旋转机械的性能时尤为重要。例如，在汽车工业中，发动机的RPM可以决定其效率和功率输出。更高的每分钟转数通常表明发动机正在更努力地工作，这可能导致速度增加，但也可能导致更高的燃油消耗和更多的发动机部件磨损。在音乐的背景下，术语每分钟转数则有不同的含义。例如，黑胶唱片通常以特定的RPM播放，如33 1/3或45。唱片旋转的速度会影响产生的声音的音调和质量。在正确的每分钟转数下播放唱片将确保音频忠于艺术家的原始意图，而以错误的速度播放则会显著扭曲音乐。每分钟转数的重要性还可以在日常家电中观察到。以洗衣机为例。洗衣机的脱水周期是以RPM来衡量的，这决定了水从衣物中提取的有效性。在脱水周期中更高的RPM意味着衣物更干，这可以缩短干燥时间，并减少使用烘干机时的能耗。此外，在物理学领域，每分钟转数是研究旋转运动的重要测量单位。它帮助科学家和工程师计算角速度，并了解旋转物体的动力学。通过将RPM转换为弧度每秒，研究人员可以分析作用在这些物体上的力，并预测它们在各种条件下的行为。总之，术语每分钟转数不仅仅是技术术语；它是一个跨越多个学科的基本概念。无论是在工程、音乐、家用电器还是物理中，理解RPM使个人能够欣赏在我们日常生活中扮演重要角色的机器和系统背后的机制。随着技术的不断进步，每分钟转数的相关性只会增加，因此对于专业人士和爱好者来说，掌握其重要性和应用是至关重要的。通过熟悉这一测量，我们可以更好地理解周围世界的复杂性，并根据各种系统的性能和效率做出明智的决策。最终，每分钟转数提醒我们不同领域之间的相互联系，以及在我们的技术时代中精确性的重要性。