nautical chart

简明释义

海图

英英释义

例句

1.Before setting sail, the captain reviewed the nautical chart 航海图 to ensure a safe route.

在启航之前，船长查看了航海图 nautical chart以确保安全的航线。

2.The nautical chart 航海图 indicated shallow waters ahead, prompting the crew to adjust their course.

这张航海图 nautical chart显示前方水域较浅，促使船员调整航向。

3.The nautical chart 航海图 showed various navigational hazards that needed to be avoided.

这张航海图 nautical chart显示了需要避免的各种导航危险。

4.Sailors must be skilled in reading a nautical chart 航海图 to navigate effectively.

水手必须熟练阅读航海图 nautical chart才能有效导航。

5.Using an updated nautical chart 航海图 is crucial for safe maritime operations.

使用最新的航海图 nautical chart对安全的海上作业至关重要。

作文

Navigating the vast oceans and intricate waterways has always been a challenge for sailors and mariners. To aid in this endeavor, the use of a nautical chart is essential. A nautical chart is a representation of maritime areas and adjacent coastal regions, primarily designed for the use of marine navigation. These charts provide critical information about water depth, the location of hazards, navigational aids, and the configuration of coastlines, among other details. The importance of a nautical chart cannot be overstated, as it serves as a fundamental tool for ensuring safe passage over water. The history of nautical charts dates back centuries, with early versions being hand-drawn maps that depicted coastlines and notable landmarks. Over time, advancements in technology and cartography have led to the development of more accurate and detailed charts. Today, nautical charts are produced using sophisticated methods, including satellite imagery and sonar mapping, which allow for precise representation of underwater topography. This evolution reflects the growing complexity of maritime navigation and the necessity for reliable information at sea.One of the primary features of a nautical chart is the portrayal of depth contours, known as bathymetry. Understanding the depth of the water is crucial for vessels of all sizes, especially larger ships that require sufficient clearance to avoid grounding. A nautical chart will indicate shallow areas, rocks, and other underwater hazards, allowing mariners to plot safe courses. Additionally, these charts often include information on currents, tides, and weather patterns, which can significantly impact navigation.Furthermore, a nautical chart provides vital information regarding navigational aids, such as buoys, lighthouses, and beacons. These aids are strategically placed to assist mariners in identifying safe passageways and avoiding dangerous areas. The symbols and notations used on a nautical chart are standardized, allowing sailors from different regions and backgrounds to interpret them accurately. This universality is crucial in international waters, where diverse vessels operate under varying regulations.In addition to their practical applications, nautical charts also hold historical significance. They serve as records of maritime exploration and the evolution of our understanding of the world’s oceans. Many old charts, some dating back to the Age of Exploration, provide insight into how sailors navigated before the advent of modern technology. Collectors and historians often seek out these antique charts for their aesthetic and cultural value.Despite the rise of digital navigation tools, nautical charts remain indispensable. Electronic Navigational Charts (ENCs) have emerged as a digital counterpart, but they rely on the same foundational data as traditional paper charts. Mariners are encouraged to carry both types of charts to ensure redundancy in case of technological failure. The reliability of a nautical chart is paramount, as lives and vessels depend on the accuracy of the information provided.In conclusion, the nautical chart is an invaluable resource for anyone navigating the seas. Its role in promoting safe navigation, preserving maritime history, and adapting to technological advancements highlights its enduring significance. Whether one is a seasoned sailor or a novice, understanding how to read and utilize a nautical chart is essential for successful maritime journeys.

航行于广阔的海洋和复杂的水道一直是水手和海员面临的挑战。为了帮助解决这一问题，使用海图是必不可少的。海图是对海洋区域及其相邻沿海地区的表示，主要用于海洋导航。这些图表提供了关于水深、危险位置、航行辅助设施和海岸线形状等关键信息。海图的重要性不容小觑，因为它是确保安全航行的基本工具。海图的历史可以追溯到几个世纪以前，早期版本是手绘地图，描绘了海岸线和显著地标。随着时间的推移，技术和制图学的进步使得更准确和详细的图表得以开发。今天，海图采用先进的方法制作，包括卫星图像和声纳测绘，这允许对水下地形进行精确表示。这种演变反映了海洋导航日益复杂的现实以及对可靠信息的必要性。海图的一个主要特征是深度轮廓的描绘，即海底地形。了解水深对所有大小的船只至关重要，尤其是需要足够净空以避免搁浅的大型船舶。海图将指示浅水区、岩石和其他水下危险，使水手能够规划安全航线。此外，这些图表通常包括关于潮流、潮汐和天气模式的信息，这些因素会显著影响航行。此外，海图提供了关于航行辅助设施的重要信息，例如浮标、灯塔和信标。这些辅助设施被战略性地放置，以帮助水手识别安全通道并避免危险区域。海图上使用的符号和标记是标准化的，使来自不同地区和背景的水手能够准确解读。这种普遍性在国际水域中至关重要，那里有各种船只在不同的法规下操作。除了它们的实际应用，海图还具有历史意义。它们作为海洋探索的记录，体现了我们对世界海洋理解的发展。许多古老的图表，有些可以追溯到大航海时代，提供了有关水手在现代技术出现之前如何导航的见解。收藏家和历史学家常常寻找这些古董图表，因为它们具有美学和文化价值。尽管数字导航工具的兴起，海图仍然是不可或缺的。电子导航图（ENC）作为数字对应物出现，但它们依赖于与传统纸质图表相同的基础数据。水手被鼓励同时携带这两种类型的图表，以确保在技术故障时的冗余。海图的可靠性至关重要，因为生命和船只的安全依赖于所提供信息的准确性。总之，海图是任何在海上航行的人不可或缺的资源。它在促进安全导航、保护海洋历史以及适应技术进步方面的作用突显了其持久的重要性。无论是经验丰富的水手还是新手，理解如何阅读和利用海图对于成功的海洋旅程都是至关重要的。