subsonic aircraft

简明释义

亚音速飞机

英英释义

例句

1.Unlike subsonic aircraft, supersonic jets can break the sound barrier and travel faster than sound.

与亚音速飞机不同，超音速喷气机可以打破音障，飞行速度超过音速。

2.The majority of commercial flights are operated by subsonic aircraft, which travel at speeds less than the speed of sound.

绝大多数商业航班由亚音速飞机运营，其飞行速度低于音速。

3.Many airlines are investing in new technologies to improve the efficiency of their subsonic aircraft.

许多航空公司正在投资新技术，以提高其亚音速飞机的效率。

4.The design of subsonic aircraft focuses on fuel efficiency and passenger comfort.

亚音速飞机的设计侧重于燃油效率和乘客舒适度。

5.The noise produced by subsonic aircraft during takeoff and landing is significantly lower than that of supersonic jets.

亚音速飞机在起飞和着陆时产生的噪音明显低于超音速喷气机。

作文

The evolution of aviation technology has led to the development of various types of aircraft, each designed for specific purposes and performance capabilities. Among these, subsonic aircraft are particularly significant as they represent the majority of commercial air travel today. Subsonic aircraft are defined as those that fly at speeds less than the speed of sound, which is approximately 343 meters per second or about 1,125 kilometers per hour at sea level. This category includes most passenger jets, cargo planes, and general aviation aircraft. One of the primary advantages of subsonic aircraft is their efficiency in terms of fuel consumption. These aircraft are designed to operate within a speed range that balances speed and fuel economy, making them ideal for long-distance travel. For instance, popular models like the Boeing 737 and the Airbus A320 are examples of subsonic aircraft that have been optimized for commercial use, allowing airlines to transport large numbers of passengers across vast distances without excessive fuel costs.In addition to fuel efficiency, subsonic aircraft also tend to produce less noise compared to their supersonic counterparts. This is an important consideration for airports located near urban areas, where noise pollution can be a significant issue. The quieter operation of subsonic aircraft makes them more acceptable to communities surrounding airports, thus facilitating smoother operations and expansions of air travel routes.Moreover, subsonic aircraft are generally easier and less expensive to maintain than supersonic aircraft. The technologies used in subsonic aircraft have been refined over decades, resulting in robust designs that are capable of enduring the rigors of regular flights. Airlines benefit from lower maintenance costs and increased reliability, which ultimately enhances passenger safety and satisfaction.However, it is important to recognize that subsonic aircraft do have limitations. For example, they cannot compete with the speed of supersonic aircraft, which can significantly reduce travel times on long-haul flights. The Concorde, a famous example of a supersonic aircraft, was able to fly faster than the speed of sound, allowing it to complete transatlantic flights in a fraction of the time taken by subsonic aircraft. Unfortunately, the high operational costs and environmental concerns associated with supersonic aircraft led to its retirement in 2003.In recent years, there has been a renewed interest in the development of new supersonic aircraft that could potentially operate alongside subsonic aircraft. Companies are exploring technologies that aim to minimize the sonic boom effect, which has historically restricted supersonic aircraft from flying over land. If successful, this could lead to a new era of faster air travel while still addressing the concerns related to noise and environmental impact.In conclusion, subsonic aircraft play a vital role in the current aviation landscape, providing efficient, reliable, and quieter options for air travel. While advancements in supersonic aircraft technology may reshape the future of aviation, subsonic aircraft will continue to dominate the skies for the foreseeable future, catering to the needs of millions of travelers around the world. As technology advances, it will be fascinating to see how both subsonic and supersonic aircraft evolve to meet the demands of modern air travel.

航空技术的演变导致了各种类型飞机的发展，每种飞机都旨在满足特定的目的和性能要求。在这些飞机中，亚音速飞机尤其重要，因为它们代表了今天大多数商业航空旅行。亚音速飞机被定义为以低于音速的速度飞行的飞机，音速约为343米每秒或在海平面上约1125公里每小时。这个类别包括大多数客运喷气机、货运飞机和通用航空飞机。 亚音速飞机的主要优点之一是其燃料消耗的效率。这些飞机被设计成在一个速度范围内运行，以平衡速度和燃油经济性，使其成为长途旅行的理想选择。例如，波音737和空客A320等流行机型就是优化用于商业用途的亚音速飞机的例子，使航空公司能够在不超出燃料成本的情况下，跨越广阔的距离运输大量乘客。除了燃料效率，亚音速飞机通常比其超音速对应物产生更少的噪音。这是位于城市地区的机场的重要考虑因素，在那里，噪音污染可能是一个重大问题。亚音速飞机的更安静的操作使其在机场周围的社区中更易于接受，从而促进了航班路线的顺利运营和扩展。此外，亚音速飞机通常比超音速飞机更容易维护，成本也更低。亚音速飞机所使用的技术经过数十年的完善，形成了坚固的设计，能够承受定期飞行的严苛条件。航空公司从较低的维护成本和更高的可靠性中受益，这最终提高了乘客的安全性和满意度。然而，重要的是要认识到，亚音速飞机确实存在局限性。例如，它们无法与超音速飞机的速度竞争，后者可以显著缩短长途航班的旅行时间。协和式飞机是著名的超音速飞机的一个例子，能够以超过音速的速度飞行，使其能够在短时间内完成跨大西洋航班。不幸的是，与超音速飞机相关的高运营成本和环境问题导致其在2003年退役。近年来，开发新型超音速飞机的兴趣重新升温，这些飞机可能会与亚音速飞机并行运行。各公司正在探索旨在最小化音爆效应的技术，这种效应历史上限制了超音速飞机在陆地上飞行。如果成功，这可能会开启一个更快的航空旅行新时代，同时仍然解决与噪音和环境影响相关的问题。总之，亚音速飞机在当前航空领域中发挥着至关重要的作用，为航空旅行提供高效、可靠和安静的选择。尽管超音速飞机技术的进步可能会重塑航空的未来，但在可预见的未来，亚音速飞机将继续主导天空，满足全球数百万旅客的需求。随着技术的进步，观察亚音速和超音速飞机如何演变以满足现代航空旅行的需求将是非常有趣的。