land survey datum

简明释义

陆测基准面

英英释义

例句

1.The land survey datum provided by the local authority was essential for the mapping process.

当地政府提供的土地测量基准对制图过程至关重要。

2.Adjustments were made to the land survey datum after new geological data was obtained.

在获得新的地质数据后，对土地测量基准进行了调整。

3.Surveyors often rely on a specific land survey datum to ensure consistency in their measurements.

测量员通常依赖特定的土地测量基准以确保测量的一致性。

4.The engineers used the land survey datum to establish the baseline for the construction project.

工程师们使用土地测量基准来确定建筑项目的基线。

5.Before starting the excavation, it is crucial to verify the land survey datum for accuracy.

在开始挖掘之前，验证土地测量基准的准确性至关重要。

作文

In the field of land surveying, precision and accuracy are paramount. One key concept that surveyors must understand is the land survey datum, which serves as a reference point for all measurements taken during the surveying process. A land survey datum is essentially a set of parameters or a framework that defines how the earth's surface is represented in a two-dimensional plane. This allows surveyors to accurately determine the location of features on the ground, whether they are natural formations like rivers and hills or man-made structures such as buildings and roads.The importance of a land survey datum cannot be overstated. Without a reliable datum, it would be nearly impossible to ensure that all measurements are consistent and comparable. For instance, when conducting a land survey, surveyors utilize various tools and techniques to gather data about the terrain. This data is then referenced against the established land survey datum to produce accurate maps and plans. Different datums can lead to significant discrepancies in measurements, which could result in costly errors in construction or land development projects.There are several types of land survey datum, including horizontal and vertical datums. Horizontal datums define a framework for measuring locations on the earth's surface in terms of latitude and longitude. Vertical datums, on the other hand, are used to measure elevation above or below a reference point, usually sea level. The choice of datum can greatly affect the outcome of a survey, so it is crucial for surveyors to select the appropriate one based on the specific requirements of their project.As technology advances, the methods used to establish and maintain land survey datum have also evolved. Traditional methods relied heavily on physical markers and manual calculations, but modern techniques often incorporate satellite technology and Geographic Information Systems (GIS). These advancements allow for more precise measurements and the ability to update datums as needed, ensuring that they remain relevant in an ever-changing environment.In conclusion, understanding the concept of land survey datum is essential for anyone involved in land surveying. It provides the foundation upon which all measurements are based, ensuring accuracy and consistency in the data collected. As our world continues to grow and develop, the role of the land survey datum will only become more crucial in guiding the planning and execution of construction projects, urban development, and environmental conservation efforts. Therefore, surveyors must continually educate themselves on the latest technologies and methodologies related to land survey datum to maintain their effectiveness in the field.

在土地测量领域，精确和准确至关重要。一个关键概念是土地测量基准，它作为测量过程中所有测量的参考点。土地测量基准本质上是一组参数或框架，定义了如何在二维平面中表示地球表面。这使得测量员能够准确确定地面上特征的位置，无论是自然形成的河流和山丘，还是人造结构，如建筑物和道路。土地测量基准的重要性不容小觑。如果没有可靠的基准，几乎不可能确保所有测量的一致性和可比性。例如，在进行土地测量时，测量员利用各种工具和技术收集地形数据。然后，这些数据参考已建立的土地测量基准，以生成准确的地图和计划。不同的基准可能导致测量上的显著差异，这可能导致建筑或土地开发项目中的高昂错误。有几种类型的土地测量基准，包括水平基准和垂直基准。水平基准定义了测量地球表面位置的框架，以纬度和经度为标准。另一方面，垂直基准用于测量相对于参考点的高度，通常是海平面。基准的选择会极大地影响测量的结果，因此测量员必须根据项目的具体要求选择合适的基准。随着技术的进步，建立和维护土地测量基准的方法也在不断演变。传统方法主要依赖于物理标记和手动计算，但现代技术通常结合卫星技术和地理信息系统（GIS）。这些进步允许更精确的测量，并能够根据需要更新基准，确保它们在不断变化的环境中保持相关性。总之，理解土地测量基准的概念对任何参与土地测量的人来说都是必不可少的。它提供了所有测量的基础，确保所收集数据的准确性和一致性。随着我们的世界不断发展，土地测量基准在指导建设项目、城市发展和环境保护工作中的作用只会变得更为重要。因此，测量员必须不断学习与土地测量基准相关的最新技术和方法，以保持他们在该领域的有效性。