dead reckoning distance

简明释义

推算航程

英英释义

Dead reckoning distance refers to the calculated distance traveled by a vehicle or vessel based on its last known position, speed, and direction, without taking into account external factors such as currents or winds.

推算距离是指基于车辆或船只最后已知位置、速度和方向计算的行驶距离,而不考虑海流或风等外部因素。

例句

1.In the absence of GPS, hikers relied on dead reckoning distance 推算距离 to navigate through the dense forest.

在缺乏GPS的情况下,徒步旅行者依靠dead reckoning distance 推算距离在茂密的森林中导航。

2.During the flight, the co-pilot monitored the dead reckoning distance 推算距离 to ensure they were on the correct course.

在飞行过程中,副驾驶监控dead reckoning distance 推算距离以确保他们在正确的航线上。

3.The captain instructed the crew to calculate the dead reckoning distance 推算距离 before setting sail.

船长指示船员在起航前计算dead reckoning distance 推算距离

4.Using dead reckoning distance 推算距离, the ship's navigator was able to estimate their position despite poor visibility.

利用dead reckoning distance 推算距离,船只的导航员能够在能见度差的情况下估算他们的位置。

5.The pilot calculated the dead reckoning distance 推算距离 to ensure they would reach the destination safely.

飞行员计算了dead reckoning distance 推算距离,以确保他们安全到达目的地。

作文

Navigating through the vast expanse of the ocean or the intricate pathways of the sky requires a deep understanding of various navigational techniques. One such method that has stood the test of time is known as dead reckoning distance. This term refers to the process of estimating one's current position based on a previously determined location, taking into account the speed, direction, and time traveled since that last known point. The concept of dead reckoning distance is not just limited to maritime or aerial navigation; it can also be applied in everyday life scenarios where we need to estimate distances or locations based on previous knowledge.The origins of dead reckoning distance can be traced back to ancient seafarers who relied on celestial navigation and landmarks to guide their journeys. However, when visibility was poor or when they were far from land, these sailors had to depend on calculations involving their last known position, speed, and course. For instance, if a ship was traveling at a speed of 10 knots for two hours on a steady course of 180 degrees, the crew could calculate their estimated position using dead reckoning distance. This technique allowed them to continue their journey with a reasonable degree of confidence, even when they could not see their destination.In modern times, while technology such as GPS has revolutionized navigation, the principles of dead reckoning distance remain relevant. Pilots and mariners often use this method as a backup system in case electronic navigation aids fail. By understanding how to apply dead reckoning distance, navigators can maintain their bearings and ensure they do not stray off course. This practice is particularly crucial during adverse weather conditions or in areas where GPS signals may be unreliable.Moreover, the concept of dead reckoning distance extends beyond physical navigation. In our daily lives, we often find ourselves estimating distances or durations based on previous experiences. For example, when planning a road trip, one might use their knowledge of past travel times between cities to predict how long a new journey will take. This mental calculation mirrors the principles of dead reckoning distance, as we rely on established data to make informed decisions about future movements.In conclusion, the significance of dead reckoning distance lies in its ability to provide a framework for estimating positions and distances based on prior knowledge. Whether in the context of maritime navigation, aviation, or even our everyday journeys, mastering this technique empowers individuals to navigate confidently through uncertainty. As we continue to advance technologically, it is essential to remember and appreciate the foundational skills that have guided explorers and travelers throughout history. Understanding dead reckoning distance not only enriches our navigational skills but also enhances our ability to make sound judgments in various aspects of life. By integrating this knowledge into our daily practices, we can become more adept at navigating the complexities of both the physical and metaphorical journeys we encounter.

在广阔的海洋或复杂的天空中导航需要深入理解各种导航技术。其中一种经受住时间考验的方法被称为推算距离。这个术语指的是根据之前确定的位置,估计当前的位置,同时考虑自上一个已知点以来的速度、方向和行驶时间。推算距离的概念不仅限于海洋或空中导航;它也可以应用于我们日常生活中的场景,在这些场景中,我们需要根据以前的知识来估计距离或位置。推算距离的起源可以追溯到古代海员,他们依靠天文导航和地标来指导他们的航程。然而,当能见度较差或远离陆地时,这些水手不得不依赖涉及他们最后已知位置、速度和航向的计算。例如,如果一艘船以每小时10节的速度在180度的稳定航向上航行了两个小时,船员可以使用推算距离来计算他们的估计位置。这种技术使他们能够继续航行,即使在看不见目的地的情况下,也能保持合理的信心。在现代,虽然GPS等技术已经彻底改变了导航,但推算距离的原理仍然相关。飞行员和水手通常将这种方法作为电子导航辅助设备失效时的备用系统。通过了解如何应用推算距离,导航员可以保持航向,确保他们不会偏离航道。这种做法在恶劣天气条件下或在GPS信号可能不可靠的地区尤为重要。此外,推算距离的概念超越了物理导航。在我们的日常生活中,我们经常发现自己根据过去的经验来估计距离或时间。例如,在计划一次公路旅行时,人们可能会利用他们对城市之间过去行驶时间的了解来预测新旅程将花费多长时间。这种心理计算与推算距离的原理相似,因为我们依赖已有的数据来对未来的移动做出明智的决策。总之,推算距离的重要性在于它能够提供一个基于先前知识的估计位置和距离的框架。无论是在海洋导航、航空还是我们日常的旅程中,掌握这一技术使个人能够自信地在不确定性中导航。随着我们技术的不断进步,记住并欣赏那些引导探险者和旅行者历史的基础技能是至关重要的。理解推算距离不仅丰富了我们的导航技能,还增强了我们在生活各个方面做出明智判断的能力。通过将这些知识融入我们的日常实践中,我们可以更善于在我们遇到的物理和比喻旅程的复杂性中进行导航。

相关单词

reckoning

reckoning详解:怎么读、什么意思、用法

distance

distance详解:怎么读、什么意思、用法