visual line of position

简明释义

目测位置线

英英释义

例句

1.The navigator used the visual line of position to determine the ship's location relative to the coastline.

导航员利用视觉位置线来确定船只相对于海岸线的位置。

2.In poor visibility, sailors rely on the visual line of position to avoid hazards.

在能见度差的情况下，水手依赖视觉位置线来避免危险。

3.The captain instructed the crew to maintain the visual line of position while approaching the harbor.

船长指示船员在接近港口时保持视觉位置线。

4.By aligning the landmarks, he established a visual line of position for better navigation.

通过对齐地标，他建立了一条更好的导航的视觉位置线。

5.Using binoculars, she identified the visual line of position marked by two distant buoys.

她用望远镜识别出由两个远处浮标标记的视觉位置线。

作文

In the realm of navigation, particularly in maritime and aerial contexts, understanding various methods to determine one's position is crucial. One such method is the concept of a visual line of position, which serves as an essential tool for navigators to ascertain their location relative to a known point. The visual line of position refers to a line drawn from a navigator's observation point to a visible landmark or celestial body, indicating a specific direction that can be used to triangulate their position. This technique is especially useful when electronic navigation systems may fail or when navigating in areas where GPS signals are weak or unavailable.To illustrate the importance of the visual line of position, consider a sailor who is trying to locate their ship's position while sailing in open waters. The sailor may spot a lighthouse on the horizon. By taking a bearing of the lighthouse using a compass, the sailor can establish a visual line of position. This line represents the direction towards the lighthouse from the sailor's current location. However, this alone does not provide the exact position; it merely indicates that the sailor is somewhere along that line.To pinpoint their exact location, the sailor would typically take multiple bearings from different landmarks or use additional navigational aids. For instance, if the sailor also sees a buoy to the east and takes another bearing, they can draw a second visual line of position. The intersection of these two lines will give them a precise fix on their location. This method of using intersecting visual lines of position is fundamental in traditional navigation practices and remains relevant today, even with advanced technology.Moreover, the visual line of position is not limited to maritime navigation. Pilots in aviation also utilize this concept when flying. For example, when approaching an airport, a pilot may visually identify a prominent landmark, such as a water tower or a distinctive building. By aligning their flight path with this landmark, the pilot creates a visual line of position that helps confirm their approach vector and ensures they are on the correct course for landing.The significance of the visual line of position extends beyond just determining location; it also enhances situational awareness. Navigators and pilots who are adept at using visual references can make quick decisions based on their surroundings, which is vital in emergency situations. For instance, if a vessel encounters unexpected weather changes, being able to quickly identify nearby landmarks and establish visual lines of position can help the crew navigate safely to harbor or avoid hazards.In conclusion, the visual line of position is a fundamental concept in navigation that combines observational skills with practical application. Whether at sea or in the air, the ability to draw and interpret these lines allows navigators to maintain their bearings and ensure safe travel. As technology continues to evolve, the principles behind the visual line of position remain a testament to the enduring value of traditional navigation techniques in an increasingly digital world.

在导航领域，特别是在海洋和航空的背景下，理解各种确定自己位置的方法至关重要。其中一种方法是视觉定位线的概念，它为导航员提供了一个基本工具，以确定他们相对于已知点的位置。视觉定位线指的是从导航员观察点到可见地标或天体的连线，表示可以用来三角测量其位置的特定方向。当电子导航系统可能失效或在GPS信号微弱或不可用的区域航行时，这种技术尤其有用。为了说明视觉定位线的重要性，考虑一位试图在开阔水域中定位船只位置的水手。这位水手可能会在地平线上看到一座灯塔。通过使用指南针测量灯塔的方位，水手可以建立一条视觉定位线。这条线表示水手当前地点朝向灯塔的方向。然而，仅此并不能提供确切的位置；它仅表示水手在那条线上某个地方。为了准确定位，水手通常会从不同的地标进行多次测量或使用其他导航辅助工具。例如，如果水手还看到东边的浮标并进行了另一次测量，他们可以绘制第二条视觉定位线。这两条线的交点将为他们提供一个精确的定位。这种使用交叉的视觉定位线的方法是传统导航实践中的基础，即使在今天也依然相关，尽管技术已经进步。此外，视觉定位线不仅限于海洋导航。航空飞行员在飞行中也利用这个概念。例如，在接近机场时，飞行员可能会视觉识别一个显著的地标，如水塔或独特的建筑物。通过将飞行路径与该地标对齐，飞行员创建了一条视觉定位线，这有助于确认他们的接近向量，确保他们在正确的着陆航线上。视觉定位线的重要性不仅在于确定位置；它还增强了情境意识。熟练使用视觉参考的导航员和飞行员可以根据周围环境快速做出决策，这在紧急情况下至关重要。例如，如果一艘船遇到意外的天气变化，能够迅速识别附近的地标并建立视觉定位线可以帮助船员安全航行到港口或避开危险。总之，视觉定位线是在导航中一个基本概念，它将观察技能与实际应用相结合。无论是在海上还是在空中，能够绘制和解释这些线条使导航员能够保持方向并确保安全旅行。随着技术的不断发展，视觉定位线背后的原则仍然证明了传统导航技术在日益数字化的世界中的持久价值。