datum line

简明释义

基准面

英英释义

例句

1.The architect used the datum line to align the new building with the existing structures.

建筑师使用基准线将新建筑与现有结构对齐。

2.When creating a model, the designer referenced the datum line to maintain proportions.

在创建模型时，设计师参考了基准线以保持比例。

3.The engineer marked the datum line on the blueprint to ensure all measurements were taken from a consistent reference point.

工程师在蓝图上标记了基准线，以确保所有测量都是从一致的参考点进行的。

4.A level datum line was created to help workers install the shelves evenly.

创建了一个水平的基准线，以帮助工人均匀地安装架子。

5.In surveying, establishing a datum line is crucial for accurate land measurements.

在测量中，建立基准线对于准确的土地测量至关重要。

作文

In the realm of geography and mapping, the term datum line refers to a reference line from which measurements are taken. It serves as a baseline for determining the elevation of geographical features and is crucial for ensuring consistency in data collection and analysis. The concept of a datum line is fundamental in various fields, including cartography, surveying, and geodesy. Without a proper datum line, the accuracy of maps and other geographical representations would be significantly compromised.For instance, when creating topographical maps, surveyors use a datum line to establish a standard elevation point, usually related to sea level. This allows them to measure the heights of mountains, valleys, and other landforms accurately. If different surveys used varying datum lines, the resulting maps could present conflicting information, leading to confusion for users.Moreover, the choice of a datum line can affect the interpretation of geographical data. In some regions, geographers may opt for a local datum line that reflects the specific characteristics of the area, while in others, a global standard might be more appropriate. This decision can influence urban planning, environmental studies, and even disaster management strategies. For example, in flood-prone areas, understanding the elevation relative to a datum line can help in designing effective drainage systems and predicting potential flood zones.The importance of a datum line extends beyond physical geography; it also plays a significant role in navigation. Modern GPS technology relies on precise measurements from established datum lines to provide accurate location data. When a user inputs their destination into a GPS device, the system calculates the best route based on the coordinates derived from the datum line. Any discrepancies in the datum line can lead to navigational errors, which can have serious implications, especially in remote or unfamiliar areas.In conclusion, the term datum line is not merely a technical jargon but a vital component in the fields of geography and navigation. It underpins the accuracy and reliability of various applications, from map-making to GPS navigation. Understanding the significance of a datum line allows us to appreciate the complexities involved in representing our world accurately. As technology continues to evolve, the principles behind datum lines will remain essential for ensuring that we navigate our environment with confidence and precision.

在地理和制图领域，术语基准线指的是测量的参考线。它作为确定地理特征高度的基线，对于确保数据收集和分析的一致性至关重要。基准线的概念在制图、测量和大地测量等多个领域中都是基础性的。没有适当的基准线，地图和其他地理表示的准确性将受到显著影响。例如，在创建地形图时，测量员使用基准线来建立一个标准的高度点，通常与海平面相关。这使他们能够准确测量山脉、山谷和其他地形的高度。如果不同的测量使用不同的基准线，则生成的地图可能会呈现出相互矛盾的信息，从而导致用户的困惑。此外，基准线的选择可能会影响地理数据的解释。在某些地区，地理学家可能会选择反映该地区特定特征的地方基准线，而在其他地区，则可能更适合使用全球标准。这一决定可能会影响城市规划、环境研究，甚至灾害管理策略。例如，在易洪水区域，了解相对于基准线的高程可以帮助设计有效的排水系统并预测潜在的洪水区。基准线的重要性不仅仅局限于物理地理，它在导航中也发挥着重要作用。现代GPS技术依赖于来自已建立的基准线的精确测量，以提供准确的位置数据。当用户在GPS设备中输入目的地时，系统根据从基准线得出的坐标计算最佳路线。基准线的任何差异都可能导致导航错误，这在偏远或不熟悉的地区尤其严重。总之，术语基准线不仅仅是技术术语，而是地理和导航领域中的一个重要组成部分。它支撑着各种应用的准确性和可靠性，从制图到GPS导航。理解基准线的重要性使我们能够欣赏到准确表示我们世界所涉及的复杂性。随着技术的不断发展，基准线背后的原则将继续对确保我们自信而精确地导航我们的环境至关重要。