dead reckoning distance

简明释义

积算航程

英英释义

例句

1.The captain calculated the dead reckoning distance to ensure they would arrive at the harbor on time.

船长计算了航位推算距离以确保他们能准时到达港口。

2.The ship's navigator used dead reckoning distance to plot their course through the fog.

船只的导航员使用航位推算距离来绘制他们穿越雾霭的航线。

3.To avoid getting lost, the sailor kept track of the dead reckoning distance throughout the journey.

为了避免迷路，水手在整个旅程中记录了航位推算距离。

4.In aviation, pilots often rely on dead reckoning distance when GPS signals are weak.

在航空领域，当GPS信号较弱时，飞行员常常依赖于航位推算距离。

5.Using a map and compass, the hiker estimated the dead reckoning distance to the next campsite.

徒步旅行者使用地图和指南针估算了到下一个露营地的航位推算距离。

作文

In the world of navigation, the term dead reckoning distance refers to a method used to estimate one's current position based on a previously determined location. This technique involves calculating the distance traveled over time, taking into account factors such as speed, direction, and time elapsed since the last known position. The concept of dead reckoning distance is crucial in various fields, including maritime navigation, aviation, and even land travel. Understanding this term can enhance our appreciation of how navigators have historically charted their courses across vast and often treacherous terrains.Historically, before the advent of advanced GPS technology, sailors and pilots relied heavily on dead reckoning distance to find their way. They would begin their journey from a known point, marking their course and speed. By continuously updating their calculations, they could estimate where they would end up, despite not being able to see land or other reference points. This method, while effective, was not without its challenges. Factors such as wind, currents, and human error could significantly affect the accuracy of the dead reckoning distance calculations.One of the most significant aspects of dead reckoning distance is its reliance on precise measurements and constant adjustments. Navigators must keep track of their speed and direction meticulously. For instance, if a ship sails at a speed of 10 knots for two hours, it would cover a distance of 20 nautical miles. However, if the vessel encounters a strong current pushing it off course, the navigator must adjust their calculations accordingly. This adaptability is what makes dead reckoning distance both a skill and an art.In modern times, although GPS systems have largely replaced traditional methods, understanding dead reckoning distance remains valuable. It provides a backup navigation method when technology fails or is unavailable. Additionally, many pilots and mariners still incorporate dead reckoning distance into their navigation plans to ensure they remain aware of their position relative to their intended course. This hybrid approach allows for greater safety and reliability in navigating complex environments.Moreover, the principles behind dead reckoning distance extend beyond navigation. They can be applied in various scenarios, such as project management, where teams estimate the time and resources needed to complete tasks based on previous experiences. Just like navigators, project managers must adjust their plans based on unforeseen circumstances, ensuring that they stay on track despite potential setbacks.In conclusion, the term dead reckoning distance encapsulates a fundamental aspect of navigation that has stood the test of time. While technology has transformed how we navigate, the basic principles of estimating distance and adjusting for variables remain relevant. By understanding dead reckoning distance, we gain insight into the skills required for successful navigation and the importance of adaptability in various aspects of life. Whether on the open sea or in the realm of project management, mastering the art of estimation and adjustment is key to reaching our destinations safely and efficiently.

在导航领域，术语dead reckoning distance指的是一种基于先前确定的位置估算当前所在位置的方法。这种技术涉及根据速度、方向和自上一个已知位置以来经过的时间等因素计算行驶的距离。dead reckoning distance的概念在海洋导航、航空甚至陆地旅行等多个领域中至关重要。理解这个术语可以增强我们对导航员如何在广阔而往往危险的地形上绘制航线的历史的欣赏。在现代GPS技术出现之前，水手和飞行员在寻找方向时严重依赖dead reckoning distance。他们会从一个已知点开始旅程，标记他们的航向和速度。通过不断更新他们的计算，他们可以估算出自己将到达何处，尽管无法看到陆地或其他参考点。这种方法虽然有效，但并非没有挑战。风、洋流和人为错误等因素可能显著影响dead reckoning distance计算的准确性。dead reckoning distance的一个重要方面是它对精确测量和持续调整的依赖。导航员必须仔细跟踪他们的速度和方向。例如，如果一艘船以每小时10节的速度航行两个小时，它将覆盖20海里的距离。然而，如果船只遇到强洋流使其偏离航向，导航员必须相应地调整他们的计算。这种适应能力使得dead reckoning distance既是一项技能也是一门艺术。在现代，尽管GPS系统在很大程度上取代了传统方法，理解dead reckoning distance仍然具有价值。当技术失败或不可用时，它提供了一种备用导航方法。此外，许多飞行员和水手仍然将dead reckoning distance纳入他们的导航计划，以确保他们对自己相对于预定航向的位置保持清醒。这种混合方法允许在复杂环境中实现更大的安全性和可靠性。此外，dead reckoning distance背后的原则超越了导航。它们可以应用于各种场景，例如项目管理，在这些场景中，团队根据以前的经验估算完成任务所需的时间和资源。就像导航员一样，项目经理必须根据不可预见的情况调整他们的计划，确保尽管有潜在的挫折，他们仍能保持在轨道上。总之，术语dead reckoning distance概括了一个经得起时间考验的导航基本方面。尽管技术已经改变了我们的导航方式，但估算距离和调整变量的基本原则仍然相关。通过理解dead reckoning distance，我们获得了对成功导航所需技能的洞察，以及在生活各个方面适应能力的重要性。无论是在开阔的海洋上还是在项目管理领域，掌握估算和调整的艺术是安全高效到达目标的关键。