dead reckoning time

简明释义

已推算时间

英英释义

例句

1.To improve accuracy, we adjusted our dead reckoning time 推算时间 based on the current speed of the boat.

为了提高准确性，我们根据船只的当前速度调整了dead reckoning time 推算时间。

2.During our sailing trip, we calculated the dead reckoning time 推算时间 to estimate when we would reach the next island.

在我们的航海旅行中，我们计算了dead reckoning time 推算时间来估计我们何时能到达下一个岛屿。

3.The pilot used dead reckoning time 推算时间 to navigate through the foggy weather.

飞行员利用dead reckoning time 推算时间在雾天进行导航。

4.In a survival situation, knowing your dead reckoning time 推算时间 can help you find your way back to safety.

在生存情况下，知道你的dead reckoning time 推算时间可以帮助你找到回归安全的路线。

5.The captain announced the dead reckoning time 推算时间 to the crew to keep everyone informed.

船长向船员宣布了dead reckoning time 推算时间以保持大家的信息畅通。

作文

In navigation and aviation, the term dead reckoning time refers to a method used to estimate one's current position based on a previously determined location. This technique involves calculating the distance traveled from that point, accounting for speed and direction. It is an essential skill for pilots and sailors, especially when visibility is poor or when GPS systems fail. Understanding dead reckoning time is crucial for ensuring safety and accuracy in travel.The concept of dead reckoning time dates back centuries, with mariners relying on it long before modern technology was developed. In those times, navigators would use celestial bodies, such as the sun and stars, to determine their initial position. They would then calculate their course and speed over time to estimate where they would end up. This process required a keen understanding of mathematics and geography, as well as the ability to make quick decisions based on changing conditions.Today, while technology has advanced significantly, the principles behind dead reckoning time remain relevant. For instance, pilots still use this method as a backup when navigating through cloud cover or during other situations where instruments may be unreliable. By keeping track of their heading, airspeed, and elapsed time, they can maintain a level of situational awareness that is vital for safe flying.Moreover, dead reckoning time is not just limited to aviation and maritime contexts; it also has applications in everyday life. For example, when driving, we often estimate our arrival time based on our current speed and distance to our destination. This informal application of dead reckoning time helps us manage our schedules and make timely decisions about when to leave or how to navigate through traffic.One of the challenges associated with dead reckoning time is the potential for error. Factors such as wind, current, or unexpected obstacles can lead to significant deviations from the intended course. Therefore, it is important for navigators to continuously update their position using various methods, including landmarks or electronic navigation aids. This practice of cross-checking ensures that they remain on track and can adjust their route as necessary.In conclusion, dead reckoning time is a fundamental concept in navigation that emphasizes the importance of estimation and calculation in determining one's position. Despite advancements in technology, the skills associated with dead reckoning time are still vital for ensuring safety and efficiency in travel. Whether in aviation, maritime activities, or even day-to-day commuting, the principles of dead reckoning time remind us of the value of being aware of our surroundings and making informed decisions based on available information. As we continue to rely on technology, it is essential to remember the foundational skills that have guided explorers and travelers throughout history.

在航海和航空中，术语dead reckoning time指的是一种根据先前确定的位置来估计当前位置的方法。这种技术涉及根据从该点出发的行驶距离，考虑速度和方向来计算。对于飞行员和水手来说，这是一项基本技能，尤其是在能见度差或GPS系统失效时。理解dead reckoning time对确保旅行的安全性和准确性至关重要。dead reckoning time的概念可以追溯到几个世纪以前，海员们在现代技术发展之前就依赖于它。在那个时代，导航员会利用天体，如太阳和星星，来确定他们的初始位置。然后，他们会计算航向和速度，以估算他们将到达的地方。这个过程需要对数学和地理有敏锐的理解，以及根据变化的条件做出快速决策的能力。今天，尽管技术已经显著进步，但dead reckoning time背后的原则仍然适用。例如，飞行员在穿过云层或其他仪器可能不可靠的情况下，仍然使用这种方法作为备份。通过跟踪他们的航向、空速和经过的时间，他们可以保持一种对安全飞行至关重要的情境意识。此外，dead reckoning time不仅限于航空和海洋环境；它在日常生活中也有应用。例如，当驾驶时，我们通常根据当前速度和目的地的距离来估算到达时间。这种非正式的dead reckoning time应用帮助我们管理日程，并及时决定何时出发或如何穿越交通。与dead reckoning time相关的挑战之一是潜在的误差。风、潮流或意外障碍等因素可能导致与预定航线的重大偏差。因此，导航员必须不断使用各种方法更新他们的位置，包括地标或电子导航设备。这种交叉检查的做法确保他们保持在正确的轨道上，并能根据需要调整路线。总之，dead reckoning time是导航中的一个基本概念，强调了在确定位置时估算和计算的重要性。尽管技术有所进步，与dead reckoning time相关的技能仍然对确保旅行的安全性和效率至关重要。无论是在航空、海洋活动还是日常通勤中，dead reckoning time的原则都提醒我们注意周围环境，并根据可用信息做出明智的决策。当我们继续依赖技术时，记住引导历史上探险者和旅行者的基础技能是至关重要的。