true heading

简明释义

真船首向真首向

英英释义

例句

1.To navigate accurately, we need to calculate our true heading considering the wind direction.

为了准确导航，我们需要考虑风向来计算我们的真实航向。

2.The navigator marked the true heading on the chart for the crew to follow.

导航员在图表上标记了供船员遵循的真实航向。

3.The pilot confirmed the true heading before takeoff to ensure a safe flight path.

飞行员在起飞前确认了真实航向以确保安全的飞行路线。

4.The captain adjusted the ship's course to align with the true heading.

船长调整了船只的航向，以与真实航向对齐。

5.Using GPS, we can easily find our true heading in unfamiliar waters.

使用GPS，我们可以在不熟悉的水域中轻松找到我们的真实航向。

作文

Navigating the vast oceans and skies has always been a challenge for humans. With the advancement of technology, we have developed various tools to aid in navigation. One such essential term in navigation is true heading. The concept of true heading refers to the direction in which a vessel or an aircraft is pointed, measured in degrees from true north. This is crucial for accurate navigation, as it allows pilots and sailors to understand their orientation relative to the Earth's geographic coordinates.When we think about navigation, we often picture maps, compasses, and GPS devices. However, understanding the underlying principles of these tools is equally important. The true heading is different from magnetic heading, which is influenced by magnetic fields and can vary depending on the location of the navigator. For instance, when navigating through an area with significant magnetic interference, relying solely on magnetic heading can lead to errors and miscalculations.To illustrate the importance of true heading, let’s consider a scenario involving a sailor navigating through the open sea. The sailor must account for various factors such as wind, currents, and potential obstacles. By using a compass, the sailor can determine the magnetic heading, but they must also convert this to true heading to ensure they are on the correct course. This conversion process involves adjusting for magnetic declination, which is the angle difference between true north and magnetic north at a specific location.In aviation, the concept of true heading becomes even more critical. Pilots rely on instruments that provide them with their true heading to maintain safe and accurate flight paths. A slight deviation in heading can lead to significant changes in the aircraft's position over time, potentially resulting in hazardous situations. Therefore, understanding and accurately determining true heading is vital for flight safety.Moreover, modern technology has enhanced our ability to calculate true heading with precision. GPS systems provide real-time data regarding a vehicle's position and heading, allowing for seamless navigation. However, even with advanced technology, it is essential for navigators to understand the fundamentals of true heading to interpret the information correctly and make informed decisions.In conclusion, the term true heading plays a pivotal role in navigation, whether it be on land, sea, or air. It represents the true direction of travel and is essential for ensuring accuracy and safety. As technology continues to evolve, the fundamental principles of navigation, including true heading, remain relevant and crucial for successful navigation. Understanding this concept not only enhances our navigational skills but also deepens our appreciation for the art and science of navigating through our world. Thus, mastering the idea of true heading is an invaluable skill for anyone involved in navigation, whether as a professional or an enthusiast.

在辽阔的海洋和天空中航行一直是人类面临的挑战。随着科技的发展，我们开发了各种工具来辅助导航。其中一个在导航中至关重要的术语是true heading。true heading的概念指的是船只或飞机所指向的方向，以真北为基准测量，单位为度。这对于准确导航至关重要，因为它使飞行员和水手能够理解他们相对于地球地理坐标的方向。当我们想到导航时，往往会想起地图、指南针和GPS设备。然而，理解这些工具的基本原理同样重要。true heading与磁北方向不同，后者受到磁场的影响，并且可能因导航者的位置而有所不同。例如，当在一个有显著磁干扰的区域导航时，仅依赖磁北方向可能会导致错误和计算失误。为了说明true heading的重要性，让我们考虑一个水手在开放海域航行的场景。水手必须考虑多种因素，例如风、洋流和潜在障碍。通过使用指南针，水手可以确定磁北方向，但他们还必须将其转换为true heading，以确保他们在正确的航线上。这个转换过程涉及调整磁偏角，即特定位置真北与磁北之间的角度差。在航空领域，true heading的概念变得更加重要。飞行员依赖于提供其true heading的仪器，以保持安全和准确的飞行路径。航向的轻微偏差可能会导致飞机随时间的推移发生重大位置变化，从而可能导致危险情况。因此，理解和准确确定true heading对于飞行安全至关重要。此外，现代技术增强了我们精准计算true heading的能力。GPS系统提供有关车辆位置和航向的实时数据，使导航无缝进行。然而，即使在先进的技术下，导航者理解true heading的基本原理仍然至关重要，以便正确解读信息并做出明智的决策。总之，术语true heading在导航中发挥着关键作用，无论是在陆地、海洋还是空中。它代表了真实的旅行方向，对于确保准确性和安全性至关重要。随着科技的不断发展，导航的基本原则，包括true heading，依然相关且对成功导航至关重要。理解这一概念不仅提升了我们的导航技能，也加深了我们对在世界中航行的艺术和科学的欣赏。因此，掌握true heading的理念对于任何参与导航的人，无论是专业人士还是爱好者，都是一项宝贵的技能。