three engined

简明释义

三台发动机的

英英释义

例句

1.The aircraft was a three engined model, allowing it to fly longer distances efficiently.

这架飞机是一个三引擎的型号，能够高效地飞行更长的距离。

2.In the aviation industry, three engined jets are often preferred for their reliability.

在航空工业中，三引擎喷气机因其可靠性而受到青睐。

3.The museum displayed a vintage three engined bomber from World War II.

博物馆展示了一架来自二战的复古三引擎轰炸机。

4.Many cargo planes utilize a three engined setup for heavy loads.

许多货运飞机采用三引擎配置以承载重载。

5.The three engined design provides more power during takeoff and landing.

这种三引擎设计在起飞和着陆时提供了更多的动力。

作文

In the world of aviation, the term three engined refers to aircraft that are powered by three engines. This configuration is often seen in larger commercial jets and some military aircraft. The design choice for a three engined aircraft can be attributed to several factors, including the need for increased thrust, redundancy, and performance efficiency. For instance, an airplane with three engines can maintain better flight performance even if one engine fails, which is a critical consideration for safety in aviation.One of the most notable examples of a three engined aircraft is the Boeing 727. This aircraft was widely used during the late 20th century for both passenger and cargo transport. The design featured a trijet configuration, where two engines were mounted on the wings and one engine was located at the rear of the fuselage. This unique layout provided several advantages, such as improved aerodynamics and reduced noise levels in the cabin, making it a popular choice among airlines.Another significant three engined aircraft is the McDonnell Douglas DC-10. Similar to the Boeing 727, the DC-10 also utilized a trijet setup, but its engines were positioned differently. The DC-10 had two engines mounted on the wings and one engine located at the tail. This design not only enhanced its payload capacity but also allowed for a more spacious cabin layout, appealing to long-haul travelers.The three engined design has its pros and cons. On one hand, having three engines can provide better performance and safety features. In the event of an engine failure, a three engined aircraft can still fly safely to its destination or make an emergency landing. This redundancy is crucial for commercial airlines, where passenger safety is paramount. Moreover, the additional engine can enhance takeoff performance, especially in hot and high-altitude conditions, where air density is lower.On the other hand, three engined aircraft can face challenges in terms of fuel efficiency and maintenance. More engines mean more fuel consumption, which can lead to higher operating costs. Additionally, the complexity of having multiple engines can increase maintenance requirements and costs for airlines. As a result, many modern aircraft designs have shifted towards twin-engine configurations, which are often more fuel-efficient and easier to maintain.Despite these challenges, the three engined design remains relevant in certain niches of the aviation industry. For example, some cargo airlines continue to operate three engined freighters due to their robust performance capabilities. Furthermore, the versatility of three engined aircraft makes them suitable for various missions, including military operations and humanitarian aid flights.In conclusion, the term three engined encompasses a specific type of aircraft design that offers unique advantages and challenges. While the trend in aviation has largely moved towards twin-engine models, the legacy of three engined aircraft like the Boeing 727 and McDonnell Douglas DC-10 continues to influence modern aviation design. Understanding this term helps appreciate the evolution of aircraft technology and the ongoing quest for safety and efficiency in the skies.

在航空领域，术语three engined指的是由三台发动机驱动的飞机。这种配置通常出现在较大的商业喷气机和一些军用飞机中。选择three engined飞机的设计原因可以归因于多个因素，包括对增加推力、冗余性和性能效率的需求。例如，一架有三台发动机的飞机即使在一台发动机失效的情况下，也能保持更好的飞行性能，这是航空安全的重要考虑。其中一个著名的three engined飞机例子是波音727。这架飞机在20世纪晚期广泛用于客运和货运。其设计采用了三引擎配置，其中两台发动机安装在机翼上，一台发动机位于机身后部。这种独特布局带来了多种优势，例如改善空气动力学和减少机舱噪音，使其成为航空公司受欢迎的选择。另一个重要的three engined飞机是麦克唐纳·道格拉斯DC-10。与波音727类似，DC-10也采用了三引擎设置，但其发动机的位置有所不同。DC-10的两台发动机安装在机翼上，而一台发动机位于尾部。这种设计不仅增强了其载荷能力，还允许更宽敞的机舱布局，吸引了长途旅行者。three engined设计有其优缺点。一方面，拥有三台发动机可以提供更好的性能和安全特性。在发动机失效的情况下，three engined飞机仍然能够安全飞行到目的地或进行紧急着陆。这种冗余性对商业航空公司至关重要，因为乘客安全是首要任务。此外，额外的发动机可以增强起飞性能，特别是在高温和高海拔条件下，空气密度较低。另一方面，three engined飞机在燃油效率和维护方面可能面临挑战。更多的发动机意味着更多的燃油消耗，这可能导致更高的运营成本。此外，拥有多台发动机的复杂性可能增加航空公司的维护要求和成本。因此，许多现代飞机设计已转向双引擎配置，这通常更节能且更易于维护。尽管面临这些挑战，three engined设计在航空行业的某些细分市场中仍然具有相关性。例如，一些货运航空公司继续运营three engined货机，因为它们具有强大的性能能力。此外，three engined飞机的多功能性使其适合各种任务，包括军事行动和人道主义援助航班。总之，术语three engined涵盖了一种特定类型的飞机设计，具有独特的优势和挑战。尽管航空趋势在很大程度上转向了双引擎型号，但像波音727和麦克唐纳·道格拉斯DC-10这样的three engined飞机的遗产仍然持续影响着现代航空设计。理解这个术语有助于欣赏飞机技术的发展以及在天空中对安全和效率的持续追求。