variable pitch

简明释义

可变螺距

英英释义

例句

1.In wind turbines, variable pitch blades help optimize energy capture based on wind speed.

在风力涡轮机中，可变螺距叶片有助于根据风速优化能量捕获。

2.The variable pitch system in this fan allows for quieter operation at lower speeds.

这款风扇中的可变螺距系统允许在较低速度下更安静地运行。

3.The aircraft is equipped with a variable pitch propeller for improved performance at different altitudes.

这架飞机配备了一个可变螺距的螺旋桨，以在不同高度下提高性能。

4.Many modern boats feature variable pitch propellers that enhance maneuverability.

许多现代船只配备了可变螺距螺旋桨，增强了机动性。

5.The variable pitch mechanism allows the user to adjust the angle of the blades for better cutting efficiency.

这个可变螺距机制允许用户调整刀片的角度，以提高切割效率。

作文

The concept of variable pitch is essential in various fields, particularly in aviation and engineering. In aviation, variable pitch refers to the ability of a propeller to change its blade angle during flight. This adjustment allows the aircraft to optimize its performance at different speeds and altitudes. For instance, a propeller with a fixed pitch might perform efficiently at one speed but struggle at another. By utilizing a variable pitch mechanism, pilots can ensure that their aircraft operates at peak efficiency, enhancing fuel economy and overall performance.In engineering, the term variable pitch can also apply to gears and screws. A variable pitch screw thread allows for adjustments in the spacing between threads, enabling more versatile applications. This flexibility can be crucial in machinery where different loads or movements require specific thread configurations. For example, in manufacturing processes, a variable pitch screw can be adjusted to accommodate different materials or product designs, ultimately improving productivity.Furthermore, the idea of variable pitch extends beyond mechanical applications. In music, it can refer to the ability to modulate sound frequencies, creating a richer auditory experience. Musicians often use instruments that allow for variable pitch adjustments to enhance their performances, such as string instruments, where players can bend notes to create unique sounds. This principle highlights how variable pitch can be a vital aspect of creativity and expression in art forms.In the context of technology, the advancements in variable pitch systems have led to significant improvements in efficiency and functionality. For example, modern wind turbines utilize variable pitch blades that can adjust based on wind conditions. This capability maximizes energy capture and minimizes wear on the turbine, making renewable energy sources more viable and sustainable. As technology continues to evolve, the applications of variable pitch will likely expand, leading to innovations that we cannot yet imagine.In conclusion, the term variable pitch encompasses a wide range of applications across various domains. Whether in aviation, engineering, music, or technology, the ability to adjust pitch or angle provides significant advantages in performance, efficiency, and creativity. Understanding the principles behind variable pitch not only enhances our knowledge of these fields but also inspires future innovations that could further revolutionize how we approach design and functionality. As we continue to explore and implement variable pitch systems, we pave the way for a more efficient and creative future, driven by the adaptability and versatility that this concept embodies.

‘可变音高’的概念在多个领域中至关重要，特别是在航空和工程领域。在航空中，‘可变音高’指的是螺旋桨在飞行过程中改变叶片角度的能力。这种调整使得飞机能够在不同的速度和高度下优化其性能。例如，具有固定音高的螺旋桨可能在某一速度下表现高效，但在另一速度下却难以应对。通过利用‘可变音高’机制，飞行员可以确保他们的飞机在最佳效率下运行，从而提高燃油经济性和整体性能。在工程中，‘可变音高’这一术语也可以应用于齿轮和螺钉。‘可变音高’螺纹允许在线间距之间进行调整，使其在应用中更具多样性。这种灵活性在机械中至关重要，特别是在不同负载或运动需要特定螺纹配置的情况下。例如，在制造过程中，‘可变音高’螺钉可以根据不同材料或产品设计进行调整，从而最终提高生产率。此外，‘可变音高’的概念超越了机械应用。在音乐中，它可以指调制声音频率的能力，从而创造出更丰富的听觉体验。音乐家们常常使用允许进行‘可变音高’调整的乐器来增强他们的表演，例如弦乐器，演奏者可以弯曲音符以创造独特的声音。这一原则突显了‘可变音高’在艺术形式中作为创造力和表达的重要方面。在技术背景下，‘可变音高’系统的进步导致了效率和功能性的显著提升。例如，现代风力涡轮机利用‘可变音高’叶片，根据风力条件进行调整。这一能力最大限度地捕获能量，并减少涡轮机的磨损，从而使可再生能源来源更加可行和可持续。随着技术的不断发展，‘可变音高’的应用可能会扩展，导致我们尚未想象的创新。总之，‘可变音高’这一术语涵盖了多个领域的广泛应用。无论是在航空、工程、音乐还是技术中，调整音高或角度的能力在性能、效率和创造力上提供了显著的优势。理解‘可变音高’背后的原理不仅增强了我们对这些领域的知识，也激发了未来的创新，可能进一步革新我们对设计和功能的看法。随着我们继续探索和实施‘可变音高’系统，我们为一个更高效和富有创意的未来铺平了道路，这一未来由这一概念所体现的适应性和多样性驱动。