plane table
简明释义
平台
英英释义
A flat, portable surface used in surveying and mapping for drawing maps and taking measurements. | 用于测量和制图的平坦便携表面,用于绘制地图和进行测量。 |
例句
1.Using a plane table allows for real-time mapping during fieldwork.
使用平板测量仪可以在实地工作中进行实时绘图。
2.He drew the contours of the land on the plane table as he surveyed.
他在进行测量时在平板测量仪上绘制了土地的轮廓。
3.The surveyor set up the plane table to map the area accurately.
测量员设置了平板测量仪以准确绘制该区域。
4.A plane table can be used in conjunction with a compass for better accuracy.
平板测量仪可以与指南针结合使用,以提高准确性。
5.The plane table is essential for creating topographic maps.
平板测量仪对于制作地形图至关重要。
作文
In the field of surveying and mapping, the term plane table refers to a device used for plotting points and creating maps. This instrument has been utilized for centuries, providing surveyors with a practical means to record geographical features and measurements directly on a flat surface. The basic design of a plane table consists of a horizontal board mounted on a tripod. This setup allows for stability and ease of use in various terrains, whether it be a flat plain or a hilly landscape.The process of using a plane table involves several steps. First, the surveyor sets up the table at a known point, ensuring that it is level. Once the table is secured, the surveyor can use a sighting device, such as an alidade, to aim at distant features. By aligning the alidade with the object of interest, the surveyor can mark its position directly onto the table. This method of direct plotting is advantageous because it minimizes errors that might occur when transferring measurements from one medium to another.One of the significant benefits of the plane table is its ability to provide real-time mapping. Unlike traditional methods that require extensive calculations and data processing after fieldwork, the plane table allows surveyors to create a visual representation of the area as they work. This immediacy can be crucial for projects that require quick decision-making or adjustments based on the terrain.Additionally, the plane table is particularly useful in areas where modern technology may not be feasible. In remote locations or rugged landscapes, electronic devices may fail due to lack of power or connectivity issues. The simplicity and durability of the plane table make it an invaluable tool in such scenarios.Despite the rise of digital mapping technologies, the plane table remains relevant in certain contexts. Many educational institutions still teach students the fundamentals of surveying using this traditional tool. Understanding how to operate a plane table not only provides practical skills but also offers insights into the history of surveying practices.In conclusion, the plane table is more than just a historical artifact; it is a functional instrument that continues to serve surveyors in various situations. Its straightforward design and immediate results make it a preferred choice for many professionals in the field. As we advance into a more technologically driven era, it is essential to recognize the value of traditional tools like the plane table that have shaped our understanding of geography and land measurement. By appreciating both modern and historical methods, we can develop a more comprehensive approach to surveying and mapping, ensuring that we are equipped to tackle the challenges of the future while honoring the techniques of the past.
在测量和制图领域,术语平面图桌指的是一种用于绘制点和创建地图的设备。这种仪器已经使用了几个世纪,为测量师提供了一种实用的方法,可以直接在平面表面上记录地理特征和测量数据。平面图桌的基本设计由一个水平板和三脚架组成。这种设置允许在各种地形中保持稳定和易用,无论是在平坦的平原还是在多丘陵的景观中。使用平面图桌的过程包括几个步骤。首先,测量师在已知点设置桌子,确保其水平。一旦桌子固定,测量师可以使用瞄准设备,例如瞄准器,来瞄准远处的特征。通过将瞄准器与感兴趣的物体对齐,测量师可以直接在桌子上标记其位置。这种直接绘图的方法具有优势,因为它最小化了在一个介质到另一个介质之间转移测量时可能发生的错误。平面图桌的一个重要好处是能够提供实时制图。与传统方法需要在野外工作后进行大量计算和数据处理不同,平面图桌允许测量师在工作时创建该区域的可视表示。这种及时性对需要快速决策或根据地形进行调整的项目至关重要。此外,平面图桌在现代技术可能不可行的地区尤其有用。在偏远地点或崎岖的景观中,由于缺乏电源或连接问题,电子设备可能会失效。平面图桌的简单性和耐用性使其在这种情况下成为一项宝贵的工具。尽管数字制图技术的兴起,平面图桌在某些情况下仍然相关。许多教育机构仍然教学生使用这种传统工具的测量基础。了解如何操作平面图桌不仅提供了实际技能,还提供了对测量实践历史的见解。总之,平面图桌不仅仅是一个历史遗物;它是一种功能性仪器,继续在各种情况下为测量师服务。它简单的设计和即时的结果使其成为许多专业人士的首选。随着我们进入一个更加技术驱动的时代,认识到传统工具如平面图桌的价值是至关重要的,这些工具塑造了我们对地理和土地测量的理解。通过欣赏现代和历史方法,我们可以发展出一种更全面的测量和制图方法,确保我们能够应对未来的挑战,同时尊重过去的技术。
相关单词