back azimuth

简明释义

1. 反方位角; 2. 后方位角;

英英释义

Back azimuth refers to the direction opposite to a given azimuth, typically measured in degrees from north. It is calculated by adding or subtracting 180 degrees from the original azimuth.

反方位角是指与给定方位角相反的方向,通常以北为基准以度数表示。通过在原始方位角上加或减去180度来计算。

例句

1.To ensure a safe return, pilots must calculate the back azimuth 反方位角 before departing from a waypoint.

为了确保安全返回,飞行员必须在离开航路点之前计算 back azimuth 反方位角

2.When navigating in the wilderness, it's important to know the back azimuth 反方位角 to return to your starting point.

在荒野中导航时,了解 back azimuth 反方位角 以返回起点是很重要的。

3.Surveyors use the back azimuth 反方位角 to verify their measurements and ensure accuracy.

测量员使用 back azimuth 反方位角 来验证他们的测量并确保准确性。

4.In orienteering, you often need to determine the back azimuth 反方位角 to retrace your steps accurately.

在定向越野中,你常常需要确定 back azimuth 反方位角 以准确地追踪你的步伐。

5.The hiker calculated the back azimuth 反方位角 after reaching the summit to find his way back.

登山者在到达山顶后计算了 back azimuth 反方位角 以找到回去的路。

作文

Understanding the concept of back azimuth is crucial in various fields such as navigation, geology, and surveying. The term refers to the reverse direction from a given azimuth, which is an angle measured in degrees from a reference direction, typically true north. In simpler terms, if you are facing a certain direction and wish to determine the opposite direction, you would calculate the back azimuth. This concept is particularly important for navigators and geologists who often need to track their movements or analyze geological formations based on directional data.For instance, when a hiker is navigating through a dense forest, they may use a compass to find their way. If they start walking in a specific direction, say 70 degrees, the back azimuth would be calculated by adding 180 degrees to this value. If the resulting angle exceeds 360 degrees, it wraps around, so in this case, the back azimuth would be 250 degrees. This allows the hiker to return to their starting point if needed.In geology, understanding the back azimuth can help scientists interpret the orientation of rock layers or fault lines. For example, if a geologist measures the orientation of a fault at 120 degrees, the back azimuth would be 300 degrees. This information is vital for assessing the stability of geological formations and predicting potential landslides or earthquakes.Moreover, in surveying, the ability to calculate the back azimuth is essential for accurately mapping land. Surveyors often measure angles from a known point to determine boundaries and property lines. If a surveyor records an angle of 45 degrees from a specific point, the back azimuth would be 225 degrees, allowing them to create a complete and accurate map of the area.In summary, the back azimuth is not just a technical term; it plays a significant role in practical applications across various disciplines. Whether one is hiking, studying geological formations, or surveying land, understanding how to calculate and utilize the back azimuth can enhance safety and accuracy. As technology advances, tools such as GPS devices have made it easier to determine both azimuths and back azimuths, but the fundamental principles remain the same. Mastering these concepts is essential for anyone involved in navigation or earth sciences, as it provides a foundational understanding of directional movement and spatial awareness.

理解back azimuth的概念在导航、地质学和测量等多个领域至关重要。这个术语指的是从给定方位的反向方向,通常以度数形式测量,从参考方向(通常是正北)开始。简单来说,如果你面朝某个方向并希望确定相反的方向,你就需要计算back azimuth。这个概念对于导航员和地质学家来说尤其重要,因为他们常常需要根据方向数据来跟踪自己的移动或分析地质构造。例如,当一名徒步旅行者在密林中导航时,他们可能会使用指南针找到自己的路。如果他们开始朝着特定方向行走,比如70度,那么back azimuth的计算方法是将这个值加上180度。如果结果超过360度,就会回绕,因此在这种情况下,back azimuth将是250度。这使得徒步旅行者在需要时能够返回起点。在地质学中,理解back azimuth可以帮助科学家解释岩层或断层的方向。例如,如果地质学家测量到一个断层的方向为120度,则back azimuth将为300度。这些信息对于评估地质构造的稳定性以及预测潜在的滑坡或地震至关重要。此外,在测量中,计算back azimuth的能力对于准确绘制土地至关重要。测量师通常从已知点测量角度以确定边界和物业线。如果测量师记录到从特定点的角度为45度,则back azimuth将是225度,从而使他们能够创建该区域的完整准确地图。总之,back azimuth不仅仅是一个技术术语;它在多个学科的实际应用中发挥着重要作用。无论是徒步旅行、研究地质构造还是测量土地,理解如何计算和利用back azimuth都能提高安全性和准确性。随着科技的进步,GPS设备等工具使得确定方位和back azimuth变得更加容易,但基本原理仍然不变。掌握这些概念对于任何参与导航或地球科学的人来说都是必不可少的,因为它提供了对方向运动和空间意识的基础理解。

相关单词

azimuth

azimuth详解:怎么读、什么意思、用法