revolution per minute (r.p.m.)

简明释义

每分钟转数

英英释义

例句

1.To maintain optimal performance, the drill should operate at around 3000 revolutions per minute (r.p.m.).

为了保持最佳性能，钻头应在大约3000每分钟转数（r.p.m.）下运行。

2.The engine of the car runs at a maximum of 6000 revolutions per minute (r.p.m.).

这辆车的发动机最高转速为6000每分钟转数（r.p.m.）。

3.The laboratory centrifuge can reach speeds up to 14000 revolutions per minute (r.p.m.).

实验室离心机的转速可以达到14000每分钟转数（r.p.m.）。

4.The washing machine spins at 1200 revolutions per minute (r.p.m.) for efficient drying.

洗衣机以1200每分钟转数（r.p.m.）的速度旋转，以提高干燥效率。

5.The fan operates smoothly at 1500 revolutions per minute (r.p.m.) to cool the room.

风扇以1500每分钟转数（r.p.m.）的速度平稳运行，以降温。

作文

Understanding the concept of revolution per minute (r.p.m.) is crucial in various fields, especially in engineering and mechanics. This term refers to the number of complete revolutions a rotating object makes in one minute. It is a standard measurement used to express the rotational speed of machinery, engines, and other mechanical devices. For instance, when we think about the performance of a car engine, the revolution per minute (r.p.m.) indicates how fast the engine is running. Higher r.p.m. values can signify that the engine is working harder, which often translates to more power output. However, it is essential to note that exceeding optimal r.p.m. levels can lead to engine damage or inefficiency.In the context of household appliances, such as washing machines or food processors, revolution per minute (r.p.m.) is equally significant. For example, a washing machine may have a spin cycle rated at 1200 r.p.m.. This means the drum completes 1200 full rotations every minute, effectively removing water from clothes by generating centrifugal force. Understanding this helps consumers choose the right appliance based on their needs for efficiency and effectiveness.The application of revolution per minute (r.p.m.) extends beyond just engines and appliances; it is also vital in the field of robotics. Robots often rely on precise movements, and knowing the r.p.m. of their motors can help engineers program them for specific tasks. For example, if a robotic arm needs to rotate at a certain speed to assemble parts accurately, engineers will calculate the required r.p.m. to ensure that the robot performs efficiently without overshooting or undershooting its target.Moreover, the concept of revolution per minute (r.p.m.) is not limited to mechanical systems. In the world of music, turntables that play vinyl records operate at specific r.p.m. settings, typically 33 1/3 or 45 r.p.m.. The speed at which the record spins affects the pitch and tempo of the music being played. A deeper understanding of r.p.m. allows DJs and audiophiles to manipulate sound creatively, ensuring that the music resonates with the intended audience.In summary, the term revolution per minute (r.p.m.) is a fundamental concept that appears in various applications, from automotive engineering to household appliances, robotics, and even music. By grasping the significance of r.p.m., individuals can make informed decisions in their respective fields. Whether it’s choosing the right washing machine, programming a robot, or simply enjoying music at its best, understanding revolution per minute (r.p.m.) enhances our comprehension of how rotational speed impacts performance and efficiency across different domains. Therefore, it is essential to appreciate this measurement and its implications in both practical and theoretical contexts.

理解每分钟转数（r.p.m.）的概念在各个领域中都是至关重要的，尤其是在工程和机械学中。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。它是用于表示机械、发动机和其他机械设备的旋转速度的标准测量。例如，当我们考虑汽车发动机的性能时，每分钟转数（r.p.m.）表示发动机运转的速度。更高的r.p.m.值可能意味着发动机正在更努力地工作，这通常会转化为更大的功率输出。然而，值得注意的是，超过最佳r.p.m.水平可能会导致发动机损坏或效率低下。在家用电器的背景下，例如洗衣机或食品加工机，每分钟转数（r.p.m.）同样重要。例如，一台洗衣机的脱水循环可能标定为1200 r.p.m.。这意味着滚筒每分钟完成1200次完整旋转，通过产生离心力有效地去除衣物中的水分。理解这一点可以帮助消费者根据他们对效率和效果的需求选择合适的电器。每分钟转数（r.p.m.）的应用不仅限于发动机和电器；它在机器人领域也至关重要。机器人通常依赖精确的运动，了解其电机的r.p.m.可以帮助工程师为特定任务编程。例如，如果一个机器人手臂需要以一定速度旋转以准确组装零件，工程师将计算所需的r.p.m.以确保机器人高效执行而不超出或低于其目标。此外，每分钟转数（r.p.m.）的概念并不限于机械系统。在音乐世界中，播放黑胶唱片的转盘以特定的r.p.m.设置运行，通常为33 1/3或45 r.p.m.。唱片旋转的速度影响所播放音乐的音调和节奏。对r.p.m.的深入理解使DJ和音响爱好者能够创造性地操控声音，确保音乐与预期观众产生共鸣。总之，术语每分钟转数（r.p.m.）是一个基本概念，出现在从汽车工程到家用电器、机器人甚至音乐等各种应用中。通过掌握r.p.m.的意义，个人可以在各自领域做出明智的决策。无论是选择合适的洗衣机、编程机器人，还是简单地享受最佳音乐，理解每分钟转数（r.p.m.）都增强了我们对旋转速度如何影响不同领域的性能和效率的理解。因此，欣赏这一测量及其在实际和理论背景中的影响是至关重要的。