position by dead reckoning

简明释义

积算船位

英英释义

A method of estimating one's current position based on a previously determined position, using speed, time, and direction traveled.

一种基于先前确定的位置,通过速度、时间和行进方向来估算当前位置的方法。

例句

1.The captain confirmed our position by dead reckoning 通过推算确定位置 after losing sight of the landmarks.

船长在失去地标视线后确认了我们的位置通过推算确定

2.During the sailing class, we learned how to determine our position by dead reckoning 通过推算确定位置 using speed and time.

在航海课上,我们学习如何通过速度和时间来确定我们的位置通过推算确定

3.The pilot used position by dead reckoning 通过推算确定位置 to estimate our location during the flight.

飞行员在飞行过程中使用通过推算确定位置来估算我们的位置。

4.The navigator explained that position by dead reckoning 通过推算确定位置 can be inaccurate if there are strong currents.

导航员解释说,如果有强流,通过推算确定位置可能不准确。

5.In the absence of GPS, we relied on position by dead reckoning 通过推算确定位置 to navigate through the fog.

在没有GPS的情况下,我们依靠通过推算确定位置在雾中航行。

作文

Navigating the vast expanse of the ocean has always been a challenge for sailors. To find their way, they often relied on various techniques, one of which is determining their location using methods such as celestial navigation and charts. However, there is another method that has been used for centuries, known as position by dead reckoning. This technique involves calculating one's current position based on a previously known position, taking into account factors such as speed, direction, and time traveled. By continuously updating their position using this method, sailors can maintain a sense of where they are, even when visibility is poor or when they are far from land. The concept of position by dead reckoning is not limited to maritime navigation; it is also applicable in various fields, including aviation and even modern GPS technology. For instance, pilots often use similar calculations to determine their flight path and ensure they stay on course. The method requires a clear understanding of one's speed and heading, as well as the ability to make adjustments based on changing conditions. In essence, position by dead reckoning serves as a fundamental skill for navigators. It teaches them to be aware of their surroundings and to make informed decisions based on the information available. While modern technology has made navigation easier, the principles behind dead reckoning remain relevant today. Understanding this method allows individuals to appreciate the history of navigation and the skills that were once essential for explorers and adventurers. Moreover, the practice of position by dead reckoning encourages critical thinking and problem-solving. Navigators must constantly assess their situation, consider potential obstacles, and adjust their course accordingly. This process fosters a deeper connection with the environment, as they learn to read the signs of nature, such as wind patterns and currents. In conclusion, while we may rely heavily on technology for navigation in today's world, the concept of position by dead reckoning remains an important part of our understanding of how to navigate effectively. It embodies the spirit of exploration and resilience, reminding us that even in the face of uncertainty, we can find our way by relying on our knowledge and skills. As we move forward, it is crucial to preserve these traditional methods, as they provide valuable lessons in perseverance and adaptability, qualities that are essential not only in navigation but also in life itself.

航行在广袤的海洋上一直是水手们面临的挑战。为了找到他们的方向,他们常常依赖各种技术,其中一种是通过天文导航和图表来确定他们的位置。然而,还有另一种方法已经被使用了几个世纪,称为按推算位置。这种技术涉及根据先前已知的位置计算当前位置,考虑速度、方向和行驶时间等因素。通过不断更新他们的位置,水手们可以在能见度差或远离陆地时保持对自己位置的感知。按推算位置的概念并不仅限于海洋导航;它在航空以及现代GPS技术等多个领域也适用。例如,飞行员经常使用类似的计算来确定他们的飞行路径并确保他们保持在正确的航线上。这种方法需要清楚了解自己的速度和航向,以及根据变化的条件进行调整的能力。从本质上讲,按推算位置是导航员的一项基本技能。它教会他们关注周围环境,并根据可用信息做出明智的决策。尽管现代技术使导航变得更容易,但推算位置背后的原理今天仍然相关。理解这种方法使人们能够欣赏导航的历史以及曾经对探险者和冒险家至关重要的技能。此外,按推算位置的实践鼓励批判性思维和问题解决。导航员必须不断评估自己的情况,考虑潜在障碍,并相应地调整航向。这个过程促使他们与环境建立更深的联系,因为他们学习读取自然的迹象,如风向和水流。总之,尽管我们在当今世界中可能在导航方面过于依赖技术,但按推算位置的概念仍然是我们有效导航理解的重要组成部分。它体现了探索和韧性的精神,提醒我们即使在不确定面前,我们也可以通过依靠我们的知识和技能找到方向。随着我们向前发展,保护这些传统方法至关重要,因为它们提供了在毅力和适应能力方面的宝贵教训,这些品质在导航和生活中都是必不可少的。

相关单词

by

by详解:怎么读、什么意思、用法

reckoning

reckoning详解:怎么读、什么意思、用法