initial great-circle course

简明释义

初始大圆航路

英英释义

例句

1.The pilot calculated the initial great-circle course 初始大圆航线 to ensure the flight would be as efficient as possible.

飞行员计算了初始大圆航线 initial great-circle course，以确保航班尽可能高效。

2.Using advanced navigation software, we plotted the initial great-circle course 初始大圆航线 for our transatlantic flight.

使用先进的导航软件，我们为横跨大西洋的航班绘制了初始大圆航线 initial great-circle course。

3.Before takeoff, the crew reviewed the initial great-circle course 初始大圆航线 to avoid any unnecessary detours.

起飞前，机组人员审查了初始大圆航线 initial great-circle course，以避免任何不必要的绕行。

4.During the flight planning meeting, we discussed the initial great-circle course 初始大圆航线 to optimize our route.

在航班计划会议上，我们讨论了初始大圆航线 initial great-circle course 以优化我们的航线。

5.The initial great-circle course 初始大圆航线 helps in minimizing fuel consumption on long flights.

在长途航班中，初始大圆航线 initial great-circle course 有助于减少燃油消耗。

作文

In the realm of navigation and aviation, understanding the concept of the initial great-circle course is crucial for efficient travel across vast distances. The initial great-circle course refers to the shortest path between two points on the surface of a sphere, which is particularly significant when dealing with the curvature of the Earth. This method of navigation ensures that travelers can reach their destination in the most direct manner possible, minimizing time and fuel consumption.When planning a journey, whether it be by air or sea, navigators often utilize the initial great-circle course to plot their route. This involves calculating the angle at which a vessel or aircraft should depart to maintain this optimal path. The importance of this calculation cannot be overstated; an accurate initial great-circle course can save hours of travel time and reduce operational costs significantly.For example, consider an airline planning a flight from New York City to Tokyo. If the flight crew simply plotted a straight line on a flat map, they might overlook the curvature of the Earth, resulting in a longer flight path. Instead, by calculating the initial great-circle course, the airline can ensure that the aircraft follows the most efficient trajectory, leading to a shorter duration in the air and lower fuel expenses.Moreover, the initial great-circle course has implications beyond just efficiency. It also plays a vital role in safety. By adhering to this navigational principle, pilots and mariners can avoid obstacles and unfavorable weather conditions more effectively. For instance, if a storm is brewing along a less direct route, a navigator can adjust their course based on the initial great-circle course to steer clear of danger.In addition to its practical applications, the initial great-circle course also serves as a fascinating subject of study within the fields of mathematics and geography. Understanding how to calculate this course requires knowledge of spherical trigonometry and the ability to apply various formulas. This intersection of disciplines highlights the complexity and beauty of navigation as both an art and a science.As technology has advanced, tools such as GPS have made it easier for navigators to determine their initial great-circle course. However, a solid understanding of the underlying principles remains essential. Navigators must still interpret data and make decisions based on their knowledge of the initial great-circle course and other navigational techniques.In conclusion, the initial great-circle course is a fundamental concept in navigation that underscores the importance of efficiency, safety, and mathematical understanding. Whether one is a seasoned pilot or a novice sailor, grasping the significance of this term can greatly enhance one's navigational skills. As we continue to explore our world, the initial great-circle course will undoubtedly remain a key element in our journeys, guiding us toward our destinations with precision and purpose.

在导航和航空领域，理解“初始大圆航线”的概念对于跨越广阔距离的高效旅行至关重要。“初始大圆航线”指的是在球体表面上两个点之间的最短路径，这在处理地球的曲率时尤为重要。这种导航方法确保旅行者能够以尽可能直接的方式到达目的地，从而最小化时间和燃料消耗。在规划旅程时，无论是通过空中还是海洋，导航员通常利用“初始大圆航线”来绘制他们的路线。这涉及计算船只或飞机应以何种角度出发，以保持这一最佳路径。这个计算的重要性不容小觑；准确的“初始大圆航线”可以节省数小时的旅行时间，并显著降低运营成本。例如，考虑一家航空公司计划从纽约市飞往东京的航班。如果机组人员仅仅在平面图上绘制一条直线，他们可能会忽视地球的曲率，从而导致航程更长。相反，通过计算“初始大圆航线”，航空公司可以确保飞机沿着最有效的轨迹飞行，从而缩短空中飞行时间并降低燃料费用。此外，“初始大圆航线”不仅在效率上有影响，还对安全起着至关重要的作用。通过遵循这一导航原则，飞行员和航海者可以更有效地避开障碍物和不利天气条件。例如，如果一条较不直接的航线上出现了风暴，导航员可以根据“初始大圆航线”调整航向，以避免危险。除了其实际应用外，“初始大圆航线”也是数学和地理学研究的一个迷人主题。理解如何计算这条航线需要掌握球面三角学和应用各种公式的能力。这些学科的交叉突显了导航作为一种艺术与科学的复杂性和美丽。随着技术的发展，GPS等工具使得导航员更容易确定他们的“初始大圆航线”。然而，扎实理解基础原则仍然至关重要。导航员仍然必须解读数据，并根据他们对“初始大圆航线”及其他导航技术的知识做出决策。总之，“初始大圆航线”是导航中的一个基本概念，强调了效率、安全和数学理解的重要性。无论是经验丰富的飞行员还是新手水手，掌握这一术语的意义都能极大提升他们的导航技能。随着我们继续探索世界，“初始大圆航线”无疑将继续成为我们旅程中的关键元素，引导我们以精准和目标感到达目的地。