above Permanent datum

简明释义

在永久基准面以上;

英英释义

例句

1.The engineer indicated that the water tank must be installed above Permanent datum to ensure proper flow.

工程师指出水箱必须安装在高于永久基准的位置，以确保正常流动。

2.The construction team must ensure that all measurements are taken from the level marked as above Permanent datum, which is crucial for maintaining structural integrity.

施工团队必须确保所有测量都是从标记为高于永久基准的水平进行的，这对维持结构完整性至关重要。

3.During the survey, we found that the new building's foundation was located above Permanent datum, which could lead to drainage issues.

在调查过程中，我们发现新建筑的基础位于高于永久基准，这可能会导致排水问题。

4.The architect specified that the balcony should extend above Permanent datum for better views.

建筑师指定阳台应延伸到高于永久基准的位置，以获得更好的视野。

5.In our project, the elevation of the road must be set above Permanent datum to prevent flooding during heavy rain.

在我们的项目中，公路的高度必须设置在高于永久基准的位置，以防止暴雨期间的洪水。

作文

In the field of engineering and surveying, precision is paramount. One critical concept that professionals must understand is the idea of reference points, particularly the term above Permanent datum. This phrase refers to measurements or elevations that are positioned above a fixed reference point known as the permanent datum. The permanent datum serves as a baseline from which all other measurements are taken, ensuring consistency and accuracy in various projects. To illustrate this, consider a construction project where buildings need to be erected on uneven terrain. Engineers will first establish a permanent datum, which might be a specific elevation point on the site. From this point, they can measure how high each part of the building needs to be constructed. When we say that a certain section of the building is above Permanent datum, we mean it is located at a height that exceeds this established reference point.Understanding the significance of being above Permanent datum is crucial for safety and design integrity. For instance, if a bridge is designed to be above Permanent datum, it must be constructed high enough to allow for floodwaters to pass underneath without compromising the structure's stability. Similarly, when planning roads or railways, engineers must account for the elevation above the permanent datum to ensure that vehicles can navigate without obstruction.Moreover, the concept of above Permanent datum is not limited to civil engineering but extends into various fields such as aviation and marine navigation. In aviation, altitudes are often referred to in relation to a permanent datum, such as sea level. Pilots must know their altitude relative to this datum to maintain safe flight levels. In marine navigation, ships must also consider their draft in relation to the permanent datum to avoid grounding.In summary, the term above Permanent datum signifies a measurement that is higher than a fixed reference point. It is essential in many fields, ensuring that structures are built safely and effectively while maintaining accurate records of elevation. Understanding this concept allows professionals to make informed decisions about design and construction, ultimately leading to successful project outcomes. As technology advances, the methods used to determine these measurements continue to improve, making the understanding of terms like above Permanent datum even more vital in today's world.

在工程和测量领域，精确性至关重要。专业人士必须理解的一个关键概念是参考点的概念，特别是术语above Permanent datum。这个短语指的是位于固定参考点之上的测量或高度，这个固定参考点被称为永久基准。永久基准作为所有其他测量的基线，确保了各种项目中的一致性和准确性。为了说明这一点，考虑一个建筑项目，其中需要在不平坦的地形上建造建筑物。工程师首先会建立一个永久基准，这可能是现场的一个特定高程点。从这个点开始，他们可以测量建筑的每个部分需要建造多高。当我们说建筑的某个部分位于above Permanent datum时，我们的意思是它的位置高于这个已建立的参考点。理解位于above Permanent datum的重要性对于安全和设计完整性至关重要。例如，如果一座桥被设计为位于above Permanent datum，那么它必须建造得足够高，以便让洪水能够在其下方通过，而不会影响结构的稳定性。同样，在规划道路或铁路时，工程师必须考虑到位于永久基准之上的高度，以确保车辆能够畅通无阻。此外，above Permanent datum的概念不仅限于土木工程，还扩展到航空和海洋导航等多个领域。在航空中，高度通常是相对于永久基准（如海平面）来描述的。飞行员必须知道他们的高度相对于这个基准，以保持安全的飞行高度。在海洋导航中，船只也必须考虑其吃水深度相对于永久基准，以避免搁浅。总之，术语above Permanent datum表示高于固定参考点的测量。这在许多领域都是必不可少的，确保结构的安全和有效建造，同时保持准确的高度记录。理解这一概念使专业人士能够就设计和施工做出明智的决策，从而最终导致成功的项目成果。随着技术的进步，用于确定这些测量的方法不断改善，使得在当今世界理解像above Permanent datum这样的术语变得更加重要。