vernier card
简明释义
分罗经游标卡
英英释义
A vernier card is a precision measuring instrument that includes a main scale and a sliding vernier scale, used to measure dimensions with high accuracy. | 游标卡尺是一种精密测量仪器,包括主刻度和滑动游标,用于高精度测量尺寸。 |
例句
1.The engineer referred to the vernier card to ensure accurate readings.
工程师参考了游标卡尺以确保读数准确。
2.The vernier card helped us determine the diameter of the pipe accurately.
这个游标卡尺帮助我们准确地确定了管道的直径。
3.When calibrating the machinery, it's essential to have a reliable vernier card.
在校准机器时,拥有一个可靠的游标卡尺是至关重要的。
4.To measure the precise length of the metal rod, we used a vernier card.
为了测量金属杆的精确长度,我们使用了一个游标卡尺。
5.In our physics lab, we frequently use a vernier card for experiments involving measurements.
在我们的物理实验室中,我们经常使用游标卡尺进行涉及测量的实验。
作文
The world of measurement and precision is often filled with tools and devices that allow us to quantify the physical properties of objects. One such tool that has been used for centuries in various fields, including engineering and woodworking, is the vernier card. A vernier card is a specialized measuring instrument that enhances the accuracy of measurements by using a sliding scale, known as a vernier scale, which allows users to read measurements with greater precision than standard measuring tools. This essay will explore the significance of the vernier card, its applications, and how it has evolved over time.To understand the importance of the vernier card, we must first delve into its design and functionality. The basic principle behind a vernier card involves two scales: a main scale and a vernier scale. The main scale provides a rough measurement, while the vernier scale, which slides along the main scale, allows for finer adjustments. The combination of these two scales enables measurements to be read with an accuracy of up to 0.01 mm or even smaller, depending on the specific design of the vernier card. This level of precision is crucial in fields where small discrepancies can lead to significant errors, such as in the manufacturing of mechanical parts or in scientific research.In practical terms, the vernier card is widely utilized in laboratories, workshops, and classrooms. For instance, in a physics laboratory, students might use a vernier card to measure the diameter of a thin wire or the depth of a liquid in a graduated cylinder. The ability to achieve precise measurements not only enhances the accuracy of experiments but also instills a sense of discipline and rigor in students as they learn to appreciate the nuances of measurement. Similarly, carpenters and machinists rely on vernier cards to ensure that their cuts and fittings are exact, which is essential for the integrity and functionality of their projects.The evolution of the vernier card has also been noteworthy. Originally, these instruments were made from wood or brass, but advancements in technology have led to the development of digital versions. Digital vernier cards offer even greater accuracy and ease of use, displaying measurements on an electronic screen and eliminating the need for manual reading. This transition to digital technology reflects a broader trend in measurement tools, making them more accessible and user-friendly for a new generation of users.Despite the rise of digital tools, the traditional vernier card remains relevant due to its simplicity and reliability. Many professionals still prefer the tactile experience of using a physical vernier card over digital alternatives. This preference highlights the importance of understanding the fundamentals of measurement, as digital tools can sometimes obscure the underlying principles.In conclusion, the vernier card is a remarkable instrument that plays a vital role in various fields requiring precision measurement. Its unique design, combining a main scale and a vernier scale, allows users to achieve remarkable accuracy, making it indispensable in laboratories, workshops, and educational settings. As technology continues to advance, the vernier card has adapted, yet it retains its fundamental importance in teaching the principles of measurement. Whether one is using a traditional or digital version, the vernier card serves as a bridge between basic measurement concepts and advanced applications, ensuring that the pursuit of precision continues to thrive in our increasingly complex world.
测量和精度的世界常常充满了各种工具和设备,这些工具和设备使我们能够量化物体的物理特性。其中一种工具是游标卡尺,它在工程和木工等多个领域使用了几个世纪。游标卡尺是一种专业的测量仪器,通过使用滑动刻度(称为游标刻度)来提高测量的准确性,使用户能够比标准测量工具更精确地读取测量值。本文将探讨游标卡尺的重要性、应用以及它是如何随着时间演变的。要理解游标卡尺的重要性,我们首先必须深入了解其设计和功能。游标卡尺的基本原理涉及两个刻度:主刻度和游标刻度。主刻度提供粗略测量,而滑动在主刻度上的游标刻度则允许进行更细微的调整。这两种刻度的组合使得测量精度可以达到0.01毫米甚至更小,具体取决于游标卡尺的设计。这种精度在制造机械部件或科学研究等领域至关重要,因为小的差异可能导致重大错误。在实际应用中,游标卡尺被广泛用于实验室、车间和教室。例如,在物理实验室中,学生可能会使用游标卡尺来测量细线的直径或量筒中液体的深度。实现精确测量的能力不仅增强了实验的准确性,还培养了学生的纪律感和严谨性,使他们学会欣赏测量的细微之处。同样,木匠和机械师依赖游标卡尺确保他们的切割和配件是精确的,这对他们项目的完整性和功能性至关重要。游标卡尺的演变也值得注意。最初,这些仪器是由木材或黄铜制成的,但科技的进步促使数字版本的发展。数字游标卡尺提供了更高的精度和易用性,在电子屏幕上显示测量值,消除了手动读取的需要。这种向数字技术的转变反映了测量工具中的更广泛趋势,使它们对新一代用户更易于访问和使用。尽管数字工具的崛起,传统的游标卡尺仍然因其简单性和可靠性而保持相关性。许多专业人士仍然更喜欢使用物理游标卡尺的触感体验,而不是数字替代品。这种偏好突显了理解测量基础的重要性,因为数字工具有时会掩盖潜在的原理。总之,游标卡尺是一种卓越的仪器,在需要精确测量的各个领域发挥着至关重要的作用。它独特的设计结合了主刻度和游标刻度,使用户能够实现卓越的精度,使其在实验室、车间和教育环境中不可或缺。随着技术的不断进步,游标卡尺也在适应,但它在教授测量原理方面的根本重要性仍然存在。无论是使用传统还是数字版本,游标卡尺都作为基本测量概念与高级应用之间的桥梁,确保在我们日益复杂的世界中,追求精确性继续蓬勃发展。
相关单词