navigational aid

简明释义

导航设备

英英释义

例句

1.The captain relied on the navigational aid 导航辅助工具 to safely steer the ship through the fog.

船长依靠这个导航辅助工具 navigational aid安全地引导船只穿过雾霭。

2.GPS is a crucial navigational aid 导航辅助工具 for hikers in unfamiliar terrain.

GPS是徒步旅行者在不熟悉地形中不可或缺的导航辅助工具 navigational aid。

3.Sailors often use a combination of charts and navigational aids 导航辅助工具 to plot their course.

水手们经常结合使用图表和导航辅助工具 navigational aids来规划他们的航线。

4.Modern aircraft are equipped with advanced navigational aids 导航辅助工具 to ensure accurate flight paths.

现代飞机配备了先进的导航辅助工具 navigational aids以确保准确的飞行路线。

5.The use of electronic navigational aids 导航辅助工具 has revolutionized maritime navigation.

电子导航辅助工具 navigational aids的使用彻底改变了海上导航。

作文

Navigational aids are essential tools that assist in the process of determining one's position and direction while traveling, whether on land, at sea, or in the air. These aids come in various forms, each serving a specific purpose to enhance safety and efficiency during navigation. In today's world, where technology plays a crucial role in our daily lives, understanding the significance of navigational aid (导航辅助工具) is more important than ever.Historically, navigational aids have evolved from simple tools like compasses and maps to advanced electronic systems such as GPS and radar. The compass, for instance, has been used for centuries to help sailors find their way across vast oceans. It provides a reliable indication of magnetic north, allowing travelers to orient themselves and chart their course. Similarly, traditional maps have guided explorers and adventurers through uncharted territories, providing a visual representation of the landscape.In modern times, the introduction of Global Positioning System (GPS) technology has revolutionized navigation. GPS devices use satellites to determine precise locations, enabling users to find their way with remarkable accuracy. This advancement has made navigation more accessible to everyone, from professional pilots and mariners to everyday drivers. However, while GPS is an invaluable navigational aid (导航辅助工具), it is important to remember that it is not infallible. Technical failures, signal loss, or reliance solely on electronic devices can lead to dangerous situations. Therefore, understanding how to use traditional navigational aids alongside modern technology is crucial for safe travel.Another significant form of navigational aid (导航辅助工具) is radar, which is primarily used in maritime and aviation contexts. Radar systems emit radio waves that bounce off objects, allowing operators to detect the presence and distance of other vessels or aircraft. This technology enhances situational awareness and helps prevent collisions, particularly in poor visibility conditions. Additionally, lighthouses serve as vital navigational aids (导航辅助工具) for ships, marking dangerous coastlines and guiding vessels safely into harbors.In addition to these technological advancements, there are also various manual techniques that remain relevant today. For example, celestial navigation involves using the stars, sun, and moon to determine one’s position. This ancient method is still taught to sailors and aviators as a backup in case of electronic failure. Understanding these techniques not only enriches one's knowledge of navigation but also fosters a deeper appreciation for the history and art of exploration.The importance of navigational aid (导航辅助工具) extends beyond personal travel; it plays a pivotal role in commerce and trade. Shipping routes are carefully planned using a combination of navigational aids to ensure timely and safe delivery of goods. Furthermore, in emergency situations, effective navigation can mean the difference between life and death. Search and rescue operations rely heavily on accurate navigation to locate individuals in distress, often utilizing a combination of aerial and maritime navigational aids (导航辅助工具).In conclusion, navigational aids (导航辅助工具) are indispensable tools that have evolved significantly over time. From traditional methods like compasses and maps to modern technologies such as GPS and radar, these aids enhance our ability to navigate safely and efficiently. As we continue to explore new frontiers, both on Earth and beyond, understanding and mastering the various forms of navigational aid (导航辅助工具) will remain a vital skill for generations to come.