line of position run

简明释义

转移船位线

英英释义

例句

1.During the navigation course, we learned how to calculate a line of position run effectively.

在导航课程中，我们学习了如何有效地计算位置线运行。

2.The sailor plotted the line of position run on the chart to determine their current location.

水手在图表上绘制了位置线运行以确定他们的当前位置。

3.The captain instructed the crew to draw a line of position run after taking a bearing.

船长指示船员在测量方向后绘制一条位置线运行。

4.A clear line of position run can help avoid potential collisions at sea.

清晰的位置线运行可以帮助避免海上的潜在碰撞。

5.By using multiple line of position runs, we can triangulate our exact coordinates.

通过使用多个位置线运行，我们可以三角测量出我们的确切坐标。

作文

Navigating the vast and often unpredictable waters of the ocean requires a deep understanding of various maritime concepts. One such concept that is vital for sailors and navigators is the line of position run. This term refers to a specific technique used in celestial navigation, where a navigator determines their position on the Earth’s surface by taking measurements of celestial bodies, such as the sun or stars, and plotting these observations on a chart. The line of position run is essentially a line drawn on a nautical chart that represents all possible locations where a vessel could be based on the observed celestial data.To illustrate, imagine a sailor who is out at sea and wants to determine their current location. They might use a sextant to measure the angle between the horizon and a celestial body. By recording this angle at a specific time, they can calculate their latitude and longitude. However, since the measurement is not exact, it results in a range of possible positions. The line of position run helps to visualize this uncertainty by allowing the navigator to draw a line on the chart that encompasses all potential locations based on the celestial observation.Understanding how to effectively use the line of position run is crucial for safe navigation. It provides a method for sailors to cross-check their positions with other navigational aids, such as GPS or radar. In situations where electronic systems fail or are unavailable, the traditional methods of celestial navigation and the accurate plotting of the line of position run become indispensable.Moreover, the line of position run is not just about determining one’s location; it also plays a significant role in route planning. By knowing their position relative to other navigational hazards, such as reefs or shipping lanes, sailors can make informed decisions about their course. For instance, if a navigator identifies a line of position run that places them dangerously close to a known hazard, they can adjust their course accordingly to avoid potential danger.In conclusion, the line of position run is an essential tool in the navigator's toolkit. It embodies the blend of art and science that is maritime navigation. As technology continues to evolve, and more navigators rely on electronic systems, the fundamental principles represented by the line of position run remain relevant. Understanding this concept not only enhances navigational skills but also fosters a greater appreciation for the rich history of seafaring and the techniques that have guided mariners for centuries. Sailors who master the line of position run will find themselves better equipped to handle the challenges of the open sea, ensuring safe passage and successful voyages into the horizon.

在广阔而常常不可预测的海洋中航行，需要对各种海事概念有深入的理解。其中一个对水手和导航员至关重要的概念是位置线运行。这个术语指的是一种在天文导航中使用的特定技术，导航员通过测量天体（如太阳或星星）来确定自己在地球表面的位置，并将这些观察结果绘制在图表上。位置线运行本质上是在航海图上绘制的一条线，表示基于观察到的天文数据，船只可能所在的所有位置。举例来说，想象一位水手正在海上，希望确定他们当前的位置。他们可能会使用六分仪测量地平线与天体之间的角度。通过记录这个角度在特定时间，可以计算出他们的纬度和经度。然而，由于测量并不精确，这导致了一系列可能的位置。位置线运行通过允许导航员在图表上绘制一条线，帮助可视化这种不确定性，表示所有基于天文观察的潜在位置。有效理解如何使用位置线运行对于安全航行至关重要。它为水手提供了一种方法，可以用其他导航工具（如GPS或雷达）交叉检查他们的位置。在电子系统失效或不可用的情况下，传统的天文导航方法和准确绘制位置线运行变得不可或缺。此外，位置线运行不仅仅是关于确定一个位置；它在航线规划中也起着重要作用。通过了解他们相对于其他导航危险（如暗礁或航道）的位置信息，水手可以做出明智的航向决策。例如，如果导航员识别出一条位置线运行将他们放置在一个已知危险附近，他们可以相应地调整航线，以避免潜在的危险。总之，位置线运行是导航员工具箱中的一个重要工具。它体现了海洋导航中艺术与科学的结合。随着技术的不断发展，越来越多的导航员依赖电子系统，但位置线运行所代表的基本原则仍然相关。理解这一概念不仅提升了导航技能，还增进了对航海丰富历史及指导水手数世纪以来的技术的更大欣赏。掌握位置线运行的水手将发现自己更好地应对开放海洋的挑战，从而确保安全通行和成功航行到地平线彼端。