fore-aft symmetry

简明释义

首尾对称

英英释义

例句

1.In robotics, achieving fore-aft symmetry is crucial for maintaining balance during movement.

在机器人技术中，实现前后对称对保持运动中的平衡至关重要。

2.A well-designed kayak should exhibit fore-aft symmetry for optimal paddling efficiency.

一艘设计良好的皮划艇应该展现出前后对称以实现最佳划桨效率。

3.The research showed that fore-aft symmetry in the structure can enhance its load-bearing capacity.

研究表明，结构中的前后对称可以增强其承载能力。

4.The design of the new airplane emphasizes fore-aft symmetry to improve aerodynamic stability.

新飞机的设计强调了前后对称以提高空气动力学稳定性。

5.The engineer explained that fore-aft symmetry helps reduce drag on the vehicle.

工程师解释说，前后对称有助于减少车辆的阻力。

作文

In the world of engineering and design, the concept of fore-aft symmetry plays a crucial role in ensuring stability and performance. This term refers to the balance of mass and shape along the front-to-back axis of an object. When an object exhibits fore-aft symmetry (前后对称), it means that its design is uniform on both ends, which can significantly affect how it behaves in various conditions. For instance, in aerospace engineering, aircraft are designed with fore-aft symmetry to maintain aerodynamic efficiency and stability during flight. A well-balanced aircraft can maneuver more effectively, reducing drag and increasing fuel efficiency.Similarly, in the field of automotive design, vehicles often rely on fore-aft symmetry to enhance handling and performance. Cars that are symmetrical along their length tend to have better weight distribution, which translates to improved traction and control. Engineers meticulously calculate the placement of components such as the engine, transmission, and even passengers to achieve this balance. When a vehicle lacks fore-aft symmetry (前后对称), it can lead to undesirable driving characteristics, such as oversteering or understeering, making it difficult for drivers to maintain control.Furthermore, the importance of fore-aft symmetry extends beyond just mechanical designs; it also applies to architectural structures. Buildings and bridges that exhibit this symmetry are often more resilient to external forces, such as wind and seismic activity. Architects and engineers must consider how the weight and shape of a structure distribute along its length to ensure safety and longevity. A lack of fore-aft symmetry (前后对称) can create weak points that may compromise the integrity of the structure.In nature, we see examples of fore-aft symmetry in various organisms. Many animals, including humans, exhibit bilateral symmetry, which is a form of fore-aft symmetry. This symmetry allows for efficient movement and functionality, as limbs and features are evenly distributed. The evolutionary advantages of having a symmetrical body structure are evident, as it aids in locomotion and predation, allowing species to thrive in their environments.In conclusion, the concept of fore-aft symmetry (前后对称) is integral to multiple fields, from engineering to biology. Understanding and applying this principle can lead to improved designs, enhanced performance, and greater stability in various applications. As we continue to innovate and create, the significance of fore-aft symmetry will remain a fundamental aspect of effective design and functionality. Whether in the air, on the road, or in our natural surroundings, the balance provided by fore-aft symmetry is essential for success and efficiency.