astern speed

简明释义

后退速度

英英释义

例句

1.The tugboat assisted the large freighter by pulling it backwards at astern speed.

拖船通过以向后航速拉动大型货轮来协助它。

2.To dock the ship safely, we need to reverse at astern speed.

为了安全靠港，我们需要以向后航速倒退。

3.While leaving the harbor, the ship had to go in astern speed to clear the narrow channel.

离开港口时，船只必须以向后航速行驶以清理狭窄的航道。

4.The crew practiced maneuvering the boat at astern speed during their training exercise.

船员们在训练演习中练习以向后航速操纵小船。

5.The captain ordered the vessel to move at astern speed to avoid the approaching storm.

船长命令船只以向后航速移动，以避开即将到来的风暴。

作文

Navigating the vast ocean requires a profound understanding of various terms and concepts that are crucial for safe and efficient travel. One such term is astern speed, which refers to the speed of a vessel when it is moving backwards or in reverse. Understanding this term is essential for mariners as it plays a significant role in maneuvering ships, especially in tight spaces like harbors or during docking procedures.When a ship is at astern speed, it is important for the crew to be aware of the dynamics involved in reversing. Unlike forward motion, where the bow leads the way, reversing requires careful handling of the stern. The ship's propeller pushes water away from the stern, creating thrust that moves the vessel backward. This can be particularly challenging, as the ship's response may not be as predictable as when moving forward. Therefore, understanding astern speed allows sailors to anticipate how their vessel will behave in reverse, helping them avoid collisions and navigate safely.In practical terms, when a captain orders the ship to move at astern speed, they must consider several factors, including wind conditions, current strength, and the vessel's size. For instance, a larger ship may take longer to stop or change direction compared to a smaller boat. This is crucial when approaching a dock or another vessel. A captain must communicate effectively with the crew to ensure everyone understands the plan and is prepared for the maneuvers required at astern speed.Moreover, the use of astern speed is not limited to just reversing; it can also be a tactical decision in maritime operations. For example, during search and rescue missions, a vessel may need to reverse quickly to avoid obstacles or to position itself better for recovery efforts. In such situations, understanding how to control astern speed can mean the difference between success and failure.Training and experience play a vital role in mastering the concept of astern speed. New mariners often practice maneuvering at various speeds, including astern speed, to develop their skills and build confidence. Simulators and real-life drills help them understand how different vessels respond to reverse thrust, allowing them to react appropriately in real-world scenarios.In conclusion, the term astern speed encapsulates a crucial aspect of maritime navigation. By comprehending its meaning and implications, mariners can enhance their skills and ensure safer operations on the water. Whether navigating through busy ports or executing complex maneuvers, the ability to control astern speed is an invaluable asset for any sailor. As the maritime industry continues to evolve, so too will the techniques and technologies that support effective navigation, but the fundamental principles surrounding astern speed will always remain relevant.

在广阔的海洋中航行需要对各种术语和概念有深刻的理解，这些术语和概念对于安全和高效的旅行至关重要。其中一个术语是后退速度，它指的是船只向后或倒退时的速度。理解这个术语对水手来说至关重要，因为它在操纵船只时起着重要作用，尤其是在港口等狭窄空间或在靠泊过程中。当船只以后退速度行驶时，船员必须意识到倒退所涉及的动态。与前进运动不同，船头引领前进，倒退则需要小心处理船尾。船只的螺旋桨将水推离船尾，产生推动力，使船只向后移动。这尤其具有挑战性，因为船只的反应可能不像前进时那样可预测。因此，理解后退速度使水手能够预见他们的船只在倒退时的行为，帮助他们避免碰撞并安全导航。在实际操作中，当船长命令船只以后退速度移动时，他们必须考虑几个因素，包括风速、潮流强度和船只的大小。例如，一艘较大的船可能比一艘较小的船更长时间才能停止或改变方向。这在接近码头或其他船只时至关重要。船长必须有效地与船员沟通，以确保每个人都理解计划并准备好在后退速度下进行必要的操作。此外，使用后退速度不仅限于简单的倒退；它也可以是在海上操作中的战术决策。例如，在搜救任务中，船只可能需要快速倒退以避免障碍物或更好地定位自己以进行救援工作。在这种情况下，理解如何控制后退速度可能意味着成功与失败之间的区别。培训和经验在掌握后退速度的概念中发挥着至关重要的作用。新水手通常会练习以各种速度操纵，包括后退速度，以发展他们的技能并增强信心。模拟器和现实生活中的演练帮助他们理解不同船只对倒退推力的反应，使他们在现实场景中能够做出适当反应。总之，术语后退速度概括了海上导航的一个关键方面。通过理解其含义和影响，水手可以提高技能，确保水上作业的安全。无论是在繁忙的港口航行，还是执行复杂的操纵，控制后退速度的能力都是任何水手的宝贵资产。随着海事行业的不断发展，支持有效导航的技术和技术也将不断演变，但围绕后退速度的基本原则将始终保持相关性。