cardinal marks

简明释义

方位标方位标志

英英释义

例句

1.The sailor navigated through the waters using the cardinal marks, which indicate the four main points of the compass.

水手通过使用方位标志在水中导航，这些标志指示了四个主要的方向。

2.During the training, we learned how to read cardinal marks on nautical charts.

在培训中，我们学习了如何在海图上读取方位标志。

3.The lighthouse serves as a cardinal mark for ships approaching the harbor.

灯塔作为船只靠近港口时的方位标志。

4.When planning a route, it's essential to identify the cardinal marks to avoid hazards.

在规划航线时，识别方位标志以避免危险是至关重要的。

5.The cardinal marks are crucial for ensuring safe passage in unfamiliar waters.

在不熟悉的水域中，方位标志对于确保安全通行至关重要。

作文

In navigation and maritime activities, understanding the concept of cardinal marks is essential for ensuring safe passage through waterways. Cardinal marks are navigational aids that indicate the direction of safe water in relation to hazards. They are part of a system that helps mariners to determine their position and navigate effectively. The term 'cardinal' refers to the four cardinal directions: north, south, east, and west. Each cardinal mark is uniquely designed and colored to convey specific information about the surrounding waters.The primary purpose of cardinal marks is to guide vessels safely through treacherous areas, such as reefs, rocks, or shallow waters. Each mark is placed in accordance with the cardinal points, which allows mariners to understand where they should navigate to avoid danger. For instance, a north cardinal mark indicates that safe water lies to the north of the mark, while danger is to the south. Similarly, a south cardinal mark signifies that safe water is to the south, and danger is to the north.These marks are not only useful for large ships but also for smaller boats and recreational users of waterways. Knowing how to interpret cardinal marks can prevent accidents and ensure a smoother sailing experience. Mariners must familiarize themselves with the colors and shapes of these marks, as each has its own significance. Typically, cardinal marks are painted in black and yellow, with distinctive patterns. For example, a north cardinal mark is usually characterized by two black cones pointing upwards, while a south cardinal mark features two cones pointing downwards.Understanding cardinal marks also involves recognizing their light signals. These marks often have lights that flash in specific sequences, further aiding navigation during nighttime or low-visibility conditions. For example, a north cardinal mark will exhibit a continuous white light, while a west cardinal mark may show a flashing light pattern. This information is crucial for mariners navigating in darkness or fog, as it enhances their ability to identify safe routes.In addition to their practical applications, cardinal marks serve an educational purpose. They are often used in training programs for aspiring sailors and navigators, teaching them the fundamentals of safe navigation. Understanding these marks is a vital skill for anyone involved in maritime activities, from professional sailors to casual boaters.In conclusion, the concept of cardinal marks is integral to maritime navigation. These navigational aids provide essential information about safe water and potential hazards, allowing mariners to navigate confidently and safely. By learning to interpret the colors, shapes, and light signals associated with cardinal marks, individuals can enhance their navigational skills and contribute to safer waterways for everyone. Therefore, it is crucial for anyone engaging in maritime activities to have a solid understanding of cardinal marks and their significance in navigation.

在航海和海事活动中，理解“基准标志”的概念对于确保安全通过水道至关重要。“基准标志”是指示相对于危险的安全水方向的导航辅助设施。它们是帮助水手确定位置并有效导航的系统的一部分。“基准”一词指的是四个基本方向：北、南、东和西。每个基准标志都有独特的设计和颜色，以传达有关周围水域的特定信息。“基准标志”的主要目的是引导船只安全通过危险区域，例如暗礁、岩石或浅水区。每个标志都是根据基准点放置的，这使得水手能够了解他们应该如何航行以避免危险。例如，北方基准标志表明安全水位于标志的北侧，而危险则位于南侧。类似地，南方基准标志表示安全水位于南侧，危险则位于北侧。这些标志不仅对大型船只有用，对小型船只和水域的休闲用户同样重要。知道如何解读基准标志可以防止事故，并确保更顺利的航行体验。水手必须熟悉这些标志的颜色和形状，因为每个标志都有其特定的意义。通常，基准标志涂成黑色和黄色，具有独特的图案。例如，北方基准标志通常由两个向上的黑色锥体构成，而南方基准标志则由两个向下的锥体构成。理解基准标志还包括识别它们的灯光信号。这些标志通常会发出特定序列的闪光灯，进一步帮助夜间或低能见度条件下的导航。例如，北方基准标志将发出连续的白光，而西方基准标志可能会显示闪烁的光模式。这些信息对于在黑暗或雾霭中航行的水手至关重要，因为它增强了他们识别安全航线的能力。除了实际应用外，基准标志还具有教育意义。它们常用于培训计划中，教授有志成为水手和导航员的基本知识。理解这些标志是参与海事活动的任何人的重要技能，从专业水手到休闲划船者。总之，基准标志的概念是海事导航的核心。这些导航辅助设施提供有关安全水域和潜在危险的重要信息，使水手能够自信、安全地航行。通过学习解读与基准标志相关的颜色、形状和灯光信号，个人可以提高他们的导航技能，并为每个人的安全水域做出贡献。因此，任何参与海事活动的人都必须充分理解基准标志及其在导航中的重要性。