pelorus card

简明释义

哑罗经

英英释义

例句

1.The crew practiced using the pelorus card in their navigation drills.

船员们在导航演练中练习使用航向卡。

2.Before setting sail, the captain checked the pelorus card for accurate navigation.

出航前，船长查看了航向卡以确保导航准确。

3.The sailor used a pelorus card to determine the ship's heading during the foggy morning.

水手在雾蒙蒙的早晨使用航向卡来确定船只的航向。

4.He marked the important waypoints on the pelorus card for the upcoming voyage.

他在即将到来的航行中在航向卡上标记了重要的航路点。

5.Using a pelorus card can help avoid obstacles while navigating through narrow channels.

使用航向卡可以帮助在狭窄水道中避开障碍物。

作文

Navigating the seas has always been a complex task, requiring both skill and the right tools. One such tool that has been instrumental in maritime navigation is the pelorus card. A pelorus card is a navigational aid used primarily on ships to determine the direction of an object relative to the ship's heading. It is essentially a circular card marked with degrees, and it works in conjunction with a device known as a pelorus, which is a type of compass. The card helps mariners ensure they are on the right course and can effectively plot their journey across vast oceans.The history of the pelorus card dates back to the early days of sea exploration when sailors relied heavily on celestial navigation and crude maps. As maritime technology evolved, so did the tools available for navigation. The pelorus card emerged as a significant advancement, allowing sailors to take bearings of landmarks or other vessels while at sea. This capability was crucial for avoiding obstacles, identifying safe passages, and ensuring that ships reached their destinations without incident.Using a pelorus card is relatively straightforward, but it requires a solid understanding of nautical principles. To use the card effectively, a navigator first aligns the pelorus with the ship's heading. Once aligned, the navigator can read the angle to a specific object, which is marked on the pelorus card. This angle can then be used in conjunction with charts and other navigational instruments to maintain a safe and accurate course.In modern times, while electronic navigation systems have largely taken over the role of traditional tools, the pelorus card still holds value, especially in situations where electronic systems fail or are unavailable. Many experienced sailors and navigators advocate for the continued use of the pelorus card as part of a comprehensive navigation strategy. This approach not only provides a backup method of navigation but also reinforces fundamental skills that are essential for any mariner.Furthermore, the pelorus card serves as a reminder of the importance of understanding the principles of navigation beyond reliance on technology. In the event of a power failure or equipment malfunction, having the knowledge and skills to navigate using traditional tools can be the difference between safety and disaster. Thus, incorporating the pelorus card into training programs for aspiring mariners is vital.In conclusion, the pelorus card is more than just a simple navigational tool; it represents a critical aspect of maritime history and practice. Its ability to assist in determining headings and plotting courses makes it an invaluable asset for sailors. As we continue to embrace technological advancements in navigation, it is essential to remember the significance of traditional tools like the pelorus card. By doing so, we honor the legacy of past navigators and ensure that we are prepared for any challenges that may arise on the open sea.

在海上航行一直是一项复杂的任务，需要技巧和合适的工具。其中一个在海洋导航中发挥重要作用的工具就是pelorus card。pelorus card是一种主要用于船只的导航辅助工具，用于确定物体相对于船头的方向。它本质上是一个圆形卡片，上面标有度数，并与一种称为舵轮的设备配合使用，舵轮是一种罗盘。该卡片帮助水手确保他们走在正确的航线上，并能有效地在广阔的海洋中绘制他们的旅程。pelorus card的历史可以追溯到海洋探险的早期，当时水手们严重依赖天文导航和粗略的地图。随着海洋技术的发展，可用于导航的工具也随之演变。pelorus card作为一项重要的进步出现，使水手能够在海上测量地标或其他船只的方位。这种能力对于避免障碍、识别安全通道以及确保船只顺利抵达目的地至关重要。使用pelorus card相对简单，但需要对航海原理有扎实的理解。为了有效使用该卡片，导航员首先将舵轮与船头对齐。一旦对齐，导航员就可以读取到特定物体的角度，该角度在pelorus card上标出。然后，可以将此角度与图表和其他导航仪器结合使用，以保持安全和准确的航向。在现代，虽然电子导航系统在很大程度上取代了传统工具的角色，但pelorus card仍然具有价值，特别是在电子系统失效或不可用的情况下。许多经验丰富的水手和导航员提倡将pelorus card继续作为全面导航策略的一部分。这种方法不仅提供了一种备用导航方式，还强化了任何水手必备的基本技能。此外，pelorus card提醒我们理解导航原理的重要性，而不仅仅依赖于技术。在发生电力故障或设备故障的情况下，拥有使用传统工具导航的知识和技能可能是安全与灾难之间的区别。因此，将pelorus card纳入未来水手的培训计划至关重要。总之，pelorus card不仅仅是一个简单的导航工具；它代表了海洋历史和实践的一个关键方面。它帮助确定航向和绘制航线的能力使其成为水手的宝贵资产。随着我们继续拥抱导航技术的进步，重要的是要记住像pelorus card这样的传统工具的重要性。通过这样做，我们尊重过去导航员的遗产，并确保我们为开放海洋可能出现的任何挑战做好准备。