nautical mile

简明释义

海里

英英释义

例句

1.The captain announced that we were 50 nautical mile 海里 away from our destination.

船长宣布我们距离目的地还有50海里。

2.Air traffic control measures distances in nautical mile 海里 for aircraft navigation.

空中交通管制使用海里来测量飞机导航的距离。

3.The yacht's speed was measured in knots, which is equivalent to one nautical mile 海里 per hour.

游艇的速度以节来测量，等于每小时一海里。

4.During the sailing course, we learned that one nautical mile 海里 is equal to 1.15078 statute miles.

在航海课程中，我们了解到一海里等于1.15078英里。

5.The ship traveled 100 nautical mile 海里 from the harbor before reaching international waters.

这艘船从港口航行了100海里，才到达国际水域。

作文

The term nautical mile refers to a unit of measurement that is primarily used in maritime and air navigation. Unlike a standard mile, which is defined as 5,280 feet or 1,609.34 meters, a nautical mile is based on the circumference of the Earth. Specifically, one nautical mile is equivalent to one minute of latitude, which translates to approximately 1,852 meters or 6,076.1 feet. This unique definition makes the nautical mile particularly useful for navigators who need to calculate distances on the globe accurately.In the realm of sailing and aviation, the nautical mile plays a crucial role. For instance, when a ship sails across the ocean, it uses the nautical mile to determine how far it has traveled from its starting point. This is essential for plotting courses and ensuring safe navigation through various waterways. The use of nautical mile allows sailors to make precise calculations regarding their position relative to the Earth's latitude and longitude.Moreover, the nautical mile is not only important for distance measurement but also for speed. The term 'knots' is used to describe the speed of a vessel in nautical miles per hour. For example, if a ship is traveling at a speed of 20 knots, it means that it is moving at a rate of 20 nautical miles every hour. This terminology is widely accepted in both maritime and aviation contexts, allowing for standardized communication among international crews.One of the reasons the nautical mile is preferred over the standard mile in navigation is due to its relationship with the Earth’s geometry. Since the Earth is not a perfect sphere but rather an oblate spheroid, distances measured in nautical miles provide a more accurate representation of actual distances traveled over the curvature of the Earth. This becomes especially critical when navigating long distances across oceans where the curvature can significantly affect travel time and distance.In conclusion, understanding the concept of the nautical mile is fundamental for anyone involved in maritime or aerial navigation. Its relation to the Earth's geography and its application in calculating both distance and speed make it an indispensable tool for navigators. Whether you are a seasoned sailor or a budding aviator, mastering the use of the nautical mile will enhance your navigation skills and ensure safer travels on the water or in the sky. As we continue to explore the vastness of our planet, the nautical mile remains a vital part of our navigational toolkit, bridging the gap between distances and directions in a world that is constantly moving.

术语海里指的是一种主要用于海洋和航空导航的测量单位。与标准英里（定义为5280英尺或1609.34米）不同，海里是基于地球周长的。具体而言，一海里等于一纬度的分钟，大约为1852米或6076.1英尺。这种独特的定义使得海里在需要准确计算地球上距离的导航员中尤其有用。在航海和航空领域，海里扮演着至关重要的角色。例如，当一艘船在海洋中航行时，它使用海里来确定从起点出发的行驶距离。这对于绘制航线和确保安全通过各种水域至关重要。使用海里可以让水手准确计算他们相对于地球纬度和经度的位置。此外，海里不仅在距离测量中重要，在速度方面也同样关键。术语“节”用于描述船只的速度，单位是每小时多少海里。例如，如果一艘船以20节的速度航行，意味着它每小时移动20海里。这种术语在海洋和航空环境中广泛接受，使国际船员之间的沟通标准化。选择在导航中使用海里而不是标准英里的原因之一是它与地球几何形状的关系。由于地球并不是一个完美的球体，而是一个扁球体，因此用海里测量的距离提供了对实际经过地球曲率的距离的更准确表示。这在跨越海洋的长距离导航时尤为重要，因为曲率会显著影响旅行时间和距离。总之，理解海里的概念对于任何参与海洋或航空导航的人来说都是基础。它与地球地理的关系以及在计算距离和速度中的应用使其成为导航员不可或缺的工具。无论你是经验丰富的水手还是初学者，掌握海里的使用将增强你的导航技能，并确保你在水上或空中的安全旅行。随着我们继续探索我们星球的广阔，海里仍然是我们导航工具箱中的重要组成部分，弥合了不断移动的世界中距离和方向之间的差距。