port-hand marks

简明释义

侧面左手标

英英释义

例句

1.The port-hand marks 左侧标志 indicate safe waters on the left side of the channel.

port-hand marks 左侧标志 表示航道左侧的安全水域。

2.The port-hand marks 左侧标志 are painted red and help vessels navigate safely.

port-hand marks 左侧标志 被涂成红色，帮助船只安全导航。

3.The captain instructed the crew to keep a lookout for the port-hand marks 左侧标志 as we approached the harbor.

船长指示船员在靠近港口时注意观察port-hand marks 左侧标志。

4.As we sailed past the port-hand marks 左侧标志, the first mate confirmed our course was correct.

当我们驶过port-hand marks 左侧标志时，副船长确认我们的航向是正确的。

5.During the navigation training, we learned how to identify port-hand marks 左侧标志 in various weather conditions.

在导航训练中，我们学习了如何在各种天气条件下识别port-hand marks 左侧标志。

作文

Navigating through the intricate waterways of our planet can often be a challenging task, especially for those who are new to maritime activities. One of the essential aspects of safe navigation is understanding the various markers and signs that guide vessels along their journey. Among these markers are the port-hand marks, which play a crucial role in ensuring that ships remain on the correct course and avoid hazards. In this essay, we will explore what port-hand marks are, their significance in maritime navigation, and how they help mariners maintain safety on the water.To begin with, port-hand marks refer to specific navigational aids that indicate the left side of a channel when a vessel is proceeding upstream or towards a harbor. These marks are typically colored red and are designed to be easily recognizable by sailors. The importance of port-hand marks lies in their ability to provide clear guidance, helping navigators identify safe passages and avoid dangerous areas. Without these markers, navigating through narrow or congested waters would become significantly more complex and risky.The presence of port-hand marks is governed by international regulations established by the International Association of Lighthouse Authorities (IALA). These regulations ensure that mariners around the world can rely on consistent signaling systems, regardless of where they are sailing. For instance, the IALA system divides the world into two regions: Region A and Region B. In Region A, which includes Europe and most of Africa, port-hand marks are red and have even-numbered shapes, while in Region B, which covers North America and parts of Asia, they also remain red but may have different characteristics. This standardization is vital for international shipping and helps prevent accidents due to misinterpretation of navigational aids.Furthermore, port-hand marks are not just limited to buoys; they can also include fixed structures such as lighthouses and beacons. These aids enhance visibility and provide additional information about the surrounding waters. For example, a lighthouse marked as a port-hand mark can serve as a reference point for vessels approaching a harbor, allowing them to adjust their course accordingly. Additionally, many modern vessels are equipped with electronic navigation systems that display the locations of port-hand marks, further aiding in safe navigation.In conclusion, port-hand marks are an indispensable component of maritime navigation, serving as vital indicators for sailors to safely traverse waterways. Their standardized design and color coding facilitate easier identification and understanding, which is essential for preventing maritime accidents. As technology continues to advance, the integration of traditional port-hand marks with modern navigation systems will enhance safety measures even further. Ultimately, whether one is a seasoned sailor or a novice, comprehending the significance of port-hand marks is crucial for ensuring a safe and enjoyable experience on the water.

在我们星球错综复杂的水道中航行往往是一项具有挑战性的任务，尤其是对于那些新接触海事活动的人来说。安全导航的一个重要方面是理解各种标记和信号，这些标记和信号指引船只沿着旅程前行。其中一个重要的标记就是港侧标志，它在确保船只保持正确航向和避免危险方面发挥着关键作用。在这篇文章中，我们将探讨港侧标志是什么，它们在海事导航中的重要性，以及它们如何帮助水手在水上保持安全。首先，港侧标志是指特定的导航辅助设施，表示当船只沿着河流或驶向港口时通道的左侧。这些标志通常为红色，并设计得易于水手识别。港侧标志的重要性在于它们能够提供明确的指导，帮助导航员识别安全通道并避免危险区域。如果没有这些标记，在狭窄或拥挤的水域中航行将变得复杂且危险。港侧标志的存在受国际灯塔协会（IALA）制定的国际法规的管辖。这些法规确保世界各地的水手可以依赖一致的信号系统，无论他们在哪里航行。例如，IALA系统将世界划分为两个地区：A区和B区。在A区，包括欧洲和大部分非洲，港侧标志是红色的，并具有偶数形状，而在B区，包括北美和部分亚洲，它们仍然是红色的，但可能具有不同的特征。这种标准化对于国际航运至关重要，有助于防止由于对导航辅助设施的误解而导致的事故。此外，港侧标志不仅限于浮标；它们还可以包括固定结构，如灯塔和信标。这些辅助设施增强了可见性，并提供有关周围水域的额外信息。例如，标记为港侧标志的灯塔可以作为船只靠近港口时的参考点，使它们能够相应调整航向。此外，许多现代船只配备了电子导航系统，显示港侧标志的位置，进一步帮助安全导航。总之，港侧标志是海事导航中不可或缺的组成部分，作为水手安全穿越水道的重要指示器。它们的标准化设计和颜色编码使识别和理解变得更容易，这对于防止海上事故至关重要。随着技术的不断进步，传统的港侧标志与现代导航系统的整合将进一步增强安全措施。最终，无论是经验丰富的水手还是新手，理解港侧标志的重要性对于确保在水上安全愉快的体验至关重要。