index ring

简明释义

刻度环

英英释义

An index ring is a circular band or device used to mark or indicate a specific position or measurement on an instrument, often found in optical devices or machinery.

索引环是一种圆形带或装置,用于标记或指示仪器上的特定位置或测量,通常出现在光学设备或机械中。

例句

1.Adjusting the index ring on your compass can help you find true north more easily.

调整指南针上的索引环可以帮助你更容易地找到真北。

2.The technician adjusted the index ring to ensure accurate measurements during the calibration process.

技术人员调整了索引环以确保在校准过程中获得准确的测量。

3.When using a telescope, make sure the index ring is properly aligned with the target object.

使用望远镜时,确保索引环与目标物体正确对齐。

4.In photography, the index ring helps in setting the focus for clearer images.

在摄影中,索引环有助于设定焦距,以获得更清晰的图像。

5.The engineer explained how to use the index ring for precise positioning of the machinery.

工程师解释了如何使用索引环来精确定位机器。

作文

In the world of navigation and astronomy, precision is key. One of the essential tools that facilitate this precision is the index ring, a crucial component found in various instruments such as sextants and telescopes. The index ring serves as a reference point that allows users to make accurate measurements by aligning it with other markers or scales. Understanding the functionality of the index ring is vital for anyone involved in these fields, as it directly impacts the accuracy of their work.The index ring is typically calibrated to correspond with specific angles or measurements. For instance, in a sextant, the index ring helps in determining the altitude of celestial bodies above the horizon. By rotating the index ring until it aligns with the observed object, navigators can read the angle directly from the instrument’s scale. This process is fundamental for sailors who rely on celestial navigation to chart their courses across vast oceans.In addition to its practical applications in navigation, the index ring also plays a significant role in the field of astronomy. Astronomers use telescopes equipped with an index ring to measure the position of stars and planets. By adjusting the index ring to match the coordinates of celestial objects, astronomers can track their movement over time, contributing to our understanding of the universe.Moreover, the design and construction of the index ring have evolved over the years. Modern instruments often feature digital displays that integrate the index ring into a more sophisticated system, allowing for even greater accuracy and ease of use. However, the fundamental concept remains the same: the index ring acts as a guide, ensuring that users can make precise measurements.Understanding the index ring is not only important for professionals in navigation and astronomy but also for students and enthusiasts who wish to explore these fields. Learning how to properly use an index ring can enhance one’s skills and deepen their appreciation for the complexities of celestial navigation and astronomical observation. As technology continues to advance, the index ring will likely remain a staple in these disciplines, symbolizing the enduring importance of precision in our quest for knowledge.In conclusion, the index ring is a small yet powerful component that plays a significant role in navigation and astronomy. Its ability to provide accurate measurements makes it indispensable for those who seek to understand the world around them. Whether you are a seasoned navigator or a budding astronomer, mastering the use of the index ring can greatly enhance your experience and effectiveness in these fascinating fields. As we continue to explore the skies and the seas, the index ring will undoubtedly remain an essential tool in our journey of discovery.

在导航和天文学的世界中,精确性是关键。促进这种精确性的基本工具之一是指示环,这是在各种仪器中发现的关键组件,例如六分仪和望远镜。指示环作为一个参考点,使用户能够通过将其与其他标记或刻度对齐来进行准确测量。理解指示环的功能对于任何参与这些领域的人来说都是至关重要的,因为它直接影响到他们工作的准确性。指示环通常经过校准,以对应特定的角度或测量。例如,在六分仪中,指示环有助于确定天体在地平线上的高度。通过旋转指示环直到与观察到的物体对齐,导航员可以直接从仪器的刻度上读取角度。这个过程对于依赖天体导航在辽阔海洋中绘制航线的水手来说是基础。除了在导航中的实际应用外,指示环在天文学领域也发挥着重要作用。天文学家使用配备有指示环的望远镜来测量恒星和行星的位置。通过调整指示环以匹配天体的坐标,天文学家可以跟踪它们随时间的运动,帮助我们理解宇宙。此外,指示环的设计和构造多年来也有所演变。现代仪器通常具有数字显示屏,将指示环集成到更复杂的系统中,从而实现更高的准确性和易用性。然而,基本概念仍然相同:指示环作为一个指南,确保用户能够进行精确的测量。理解指示环不仅对导航和天文学专业人士重要,也对希望探索这些领域的学生和爱好者至关重要。学习如何正确使用指示环可以提高个人技能,加深对天体导航和天文观测复杂性的欣赏。随着技术的不断进步,指示环可能仍将成为这些学科的支柱,象征着在我们追求知识的过程中精确性的重要性。总之,指示环是一个小而强大的组件,在导航和天文学中发挥着重要作用。它提供准确测量的能力使其对那些希望了解周围世界的人不可或缺。无论您是经验丰富的导航员还是初学的天文学家,掌握指示环的使用都可以大大增强您在这些迷人领域中的体验和有效性。随着我们继续探索天空和海洋,指示环无疑将继续成为我们发现之旅的重要工具。

相关单词

index

index详解:怎么读、什么意思、用法