sea chart

简明释义

海图

英英释义

例句

1.The sea chart provides essential information about tides and currents.

海图提供了关于潮汐和洋流的重要信息。

2.Before setting sail, the captain carefully studied the sea chart to ensure a safe route.

在起航之前，船长仔细研究了海图以确保安全的航线。

3.He marked the fishing spots on the sea chart for future trips.

他在海图上标记了未来出海钓鱼的地点。

4.Using the sea chart, the crew plotted their course to avoid bad weather.

利用海图，船员们绘制了避开恶劣天气的航线。

5.The sea chart indicated several underwater hazards in the area.

海图显示该地区有几个水下危险。

作文

Navigating the vast oceans has always been a daunting task for sailors and explorers. To aid in this endeavor, mariners have relied on various tools and instruments throughout history. One of the most crucial of these tools is the sea chart, which is an essential navigational aid that provides detailed information about maritime areas. A sea chart is essentially a representation of maritime regions, detailing features such as coastlines, water depths, hazards, and navigational aids like buoys and lighthouses. These charts are vital for safe navigation and play a significant role in maritime safety.Historically, sea charts have evolved from simple sketches made by early explorers to highly sophisticated digital maps used today. The earliest known charts date back to ancient civilizations, where sailors would create rudimentary maps based on their observations. As navigation techniques improved, so did the accuracy and detail of sea charts. The introduction of latitude and longitude allowed for precise positioning, making it easier for sailors to navigate through treacherous waters.In modern times, sea charts are produced by national hydrographic offices and are updated regularly to reflect changes in the maritime environment. These updates can include alterations in coastline shapes due to erosion, the establishment of new navigational aids, or the discovery of underwater hazards. Sailors must use the most current sea charts to ensure their safety at sea.The importance of a sea chart cannot be overstated. It serves not only as a guide for navigation but also as a tool for planning voyages. Mariners study sea charts before embarking on a journey to identify potential hazards and determine the safest routes. Additionally, sea charts provide information about currents, tides, and weather patterns, which are critical for successful navigation.Furthermore, sea charts are not only used by professional mariners but also by recreational boaters and fishermen. Understanding how to read a sea chart can enhance one’s experience on the water, allowing for safer and more enjoyable outings. For example, anglers often consult sea charts to find the best fishing spots, as certain depths and underwater structures can indicate where fish are likely to be found.With the advent of technology, electronic sea charts have become increasingly popular. These digital versions offer interactive features, allowing users to zoom in on specific areas and access real-time data about weather and tides. However, despite the convenience of electronic charts, traditional paper sea charts remain important, especially as a backup in case of electronic failures.In conclusion, the sea chart is an indispensable tool for anyone venturing into maritime environments. Its role in ensuring safe navigation and facilitating voyage planning makes it a cornerstone of maritime operations. Whether you are a seasoned sailor or a casual boater, understanding and utilizing sea charts is essential for a successful and safe experience on the water. As we continue to explore the oceans, the importance of accurate and up-to-date sea charts will only grow, highlighting the need for ongoing investment in maritime cartography and technology.

航行于辽阔的海洋一直是水手和探险者面临的艰巨任务。为了帮助这一努力，海员们在历史上依赖各种工具和仪器。其中最关键的工具之一就是海图，它是提供海域详细信息的重要导航辅助工具。海图本质上是对海洋区域的表现，详细描绘了海岸线、水深、危险及导航辅助设施（如浮标和灯塔）等特征。这些图表对于安全航行至关重要，并在海事安全中发挥着重要作用。历史上，海图从早期探险者绘制的简单草图演变为如今高度复杂的数字地图。已知最早的图表可以追溯到古代文明，那时水手们会根据自己的观察制作粗略的地图。随着导航技术的进步，海图的准确性和细节也得到了提升。纬度和经度的引入允许精确定位，使水手更容易在危险水域中航行。在现代，海图由国家水文办公室制作，并定期更新，以反映海洋环境的变化。这些更新可能包括由于侵蚀而导致的海岸线形状变化、新导航辅助设施的建立或水下危险的发现。水手必须使用最新的海图以确保他们在海上的安全。海图的重要性不容小觑。它不仅作为导航指南，还作为规划航程的工具。水手在出发前研究海图，以识别潜在的危险并确定最安全的航线。此外，海图还提供关于潮流、潮汐和天气模式的信息，这些都是成功航行的关键。此外，海图不仅被专业水手使用，也被休闲船员和渔民使用。理解如何阅读海图可以增强在水上的体验，使外出更加安全愉快。例如，钓鱼者常常咨询海图以找到最佳钓鱼地点，因为某些深度和水下结构可以指示鱼类可能出现的地方。随着技术的发展，电子海图越来越受欢迎。这些数字版本提供互动功能，允许用户放大特定区域并访问有关天气和潮汐的实时数据。然而，尽管电子图表方便，但传统的纸质海图仍然重要，特别是在电子设备故障时作为备份。总之，海图是任何进入海洋环境的人不可或缺的工具。它在确保安全航行和促进航程规划中的作用使其成为海事操作的基石。无论您是经验丰富的水手还是休闲船员，理解和利用海图对于在水上获得成功和安全的体验至关重要。随着我们继续探索海洋，准确和最新的海图的重要性只会增加，这突显了对海事制图和技术持续投资的必要性。