compass deviation

简明释义

磁罗经自差

英英释义

例句

1.Pilots must regularly calibrate their instruments to account for compass deviation 罗盘偏差 during flights.

飞行员必须定期校准他们的仪器，以考虑飞行中的罗盘偏差。

2.The surveyor noted the compass deviation 罗盘偏差 in his report to ensure accurate land measurements.

测量员在报告中记录了罗盘偏差，以确保土地测量的准确性。

3.Understanding compass deviation 罗盘偏差 helps hikers navigate more effectively in the wilderness.

理解罗盘偏差可以帮助徒步旅行者在荒野中更有效地导航。

4.Before setting sail, the captain checked for any potential compass deviation 罗盘偏差 that could affect navigation.

在启航之前，船长检查了可能影响导航的任何潜在罗盘偏差。

5.A thorough understanding of compass deviation 罗盘偏差 is crucial for accurate marine navigation.

对罗盘偏差有透彻的理解对于准确的海洋导航至关重要。

作文

Navigating through the vast oceans has always been a challenge for sailors, and one of the most critical tools they rely on is the compass. However, a phenomenon known as compass deviation can significantly affect the accuracy of this essential instrument. Understanding what compass deviation is and how it occurs is vital for anyone who embarks on a maritime journey.Compass deviation refers to the error that arises when a compass needle does not point true north due to local magnetic fields created by nearby objects, such as metal structures or electronic devices. This deviation can lead to navigational errors, causing sailors to veer off course. It is important to distinguish compass deviation from compass variation, which is the difference between true north and magnetic north that varies based on geographical location.To illustrate the significance of compass deviation, consider a scenario where a sailor is navigating a small boat near a harbor filled with large steel ships and cranes. The presence of these metallic structures can distort the magnetic field, leading the compass to indicate a direction that is not accurate. If the sailor fails to account for this compass deviation, they may end up sailing in the wrong direction, potentially putting themselves and their vessel in danger.To mitigate the effects of compass deviation, sailors often conduct a compass rose test before setting out. This involves comparing the compass readings at various headings against known true directions. By identifying the degree of deviation at different points, sailors can create a deviation table that helps them adjust their course accordingly. Additionally, modern technology has introduced electronic compasses that can compensate for compass deviation by using sensors to detect nearby magnetic interference.Furthermore, it is crucial for sailors to regularly check their compass for signs of compass deviation. Over time, changes in the surrounding environment, such as the addition of new structures or electronic equipment, can alter the magnetic field and affect the compass's accuracy. Regular maintenance and recalibration of the compass are essential practices to ensure reliable navigation.In conclusion, understanding compass deviation is fundamental for anyone involved in maritime navigation. It is a reminder of the complexities of navigating the seas and the importance of using all available tools and techniques to ensure safe passage. By recognizing and correcting for compass deviation, sailors can enhance their navigational skills and reduce the risk of accidents at sea. As technology continues to evolve, the methods for addressing compass deviation will likely improve, but the core principles of careful navigation will always remain essential for successful voyages.

在广袤的海洋中航行一直是水手们面临的挑战之一，而他们依赖的最关键工具之一就是指南针。然而，被称为指南针偏差的现象会显著影响这一基本仪器的准确性。理解指南针偏差是什么以及它是如何发生的，对于任何开始海上旅程的人来说都是至关重要的。指南针偏差指的是当指南针指针由于附近物体（如金属结构或电子设备）产生的局部磁场而不指向真北时所产生的误差。这种偏差可能导致导航错误，使水手偏离航线。重要的是要区分指南针偏差和指南针变化，后者是指真北与磁北之间的差异，因地理位置而异。为了说明指南针偏差的重要性，考虑一个场景：一位水手在靠近充满大型钢铁船只和起重机的港口航行。金属结构的存在会扭曲磁场，使指南针指示的方向不准确。如果水手未能考虑到这种指南针偏差，他们可能会驶向错误的方向，从而可能使自己和船只处于危险之中。为了减轻指南针偏差的影响，水手通常在出发前进行指南针玫瑰测试。这涉及到将不同航向下的指南针读数与已知的真实方向进行比较。通过识别不同点的偏差程度，水手可以创建一个偏差表，帮助他们相应地调整航向。此外，现代技术引入了电子指南针，这些指南针可以通过传感器检测附近的磁干扰来补偿指南针偏差。此外，水手定期检查他们的指南针是否有指南针偏差的迹象也是至关重要的。随着时间的推移，周围环境的变化，例如新结构或电子设备的增加，可能会改变磁场并影响指南针的准确性。定期维护和重新校准指南针是确保可靠导航的基本做法。总之，理解指南针偏差对任何参与海上导航的人来说都是基础。这提醒我们航海的复杂性以及使用所有可用工具和技术以确保安全航行的重要性。通过认识并纠正指南针偏差，水手可以提高他们的导航技能，减少海上事故的风险。随着技术的不断发展，解决指南针偏差的方法可能会得到改善，但小心导航的核心原则将始终是成功航行的必要条件。