engine rating

简明释义

发动机额定功率

英英释义

例句

1.The engine rating indicates the maximum power output of the vehicle.

这个发动机评级表示车辆的最大功率输出。

2.Higher engine ratings usually mean better acceleration.

更高的发动机评级通常意味着更好的加速性能。

3.Before purchasing a new car, check the engine rating for better performance.

在购买新车之前，检查一下发动机评级以获得更好的性能。

4.Manufacturers often advertise the engine rating to attract buyers.

制造商通常会宣传发动机评级以吸引买家。

5.The engine rating is crucial for understanding fuel efficiency.

了解燃油效率时，发动机评级至关重要。

作文

The concept of engine rating is essential in the field of engineering, particularly in the automotive and aviation industries. It refers to the measurement of an engine's performance capabilities, which can include power output, efficiency, and emissions. Understanding engine rating is crucial for manufacturers, engineers, and consumers alike, as it directly influences vehicle design, fuel consumption, and environmental impact.When we talk about engine rating, we often refer to parameters such as horsepower and torque. Horsepower indicates the engine's ability to perform work over time, while torque measures the rotational force produced by the engine. These two metrics are vital for assessing how well a vehicle can accelerate and maintain speed under various conditions. For example, a car with a high horsepower rating may excel in straight-line speed, but if it has low torque, it might struggle with towing or climbing steep hills.In addition to power metrics, engine rating also encompasses fuel efficiency ratings, often measured in miles per gallon (MPG) for cars or liters per 100 kilometers (L/100km) in other regions. Fuel efficiency is increasingly important as consumers become more environmentally conscious and seek to reduce their carbon footprint. A higher engine rating in terms of efficiency means that a vehicle can travel further on less fuel, which is both cost-effective and better for the planet.Moreover, engine rating also includes emissions data, which is critical in today's regulatory environment. Many countries have strict regulations regarding the amount of pollutants that can be emitted from vehicles. An engine with a high performance rating but poor emissions control could face limitations in certain markets. Therefore, manufacturers must balance performance with environmental responsibility, making engine rating a multifaceted consideration in vehicle development.As technology advances, the methods used to improve engine rating are evolving. Innovations such as turbocharging, hybrid systems, and alternative fuels are being implemented to enhance performance while reducing environmental impact. For instance, a turbocharged engine can produce more power without increasing the engine size, thus improving both horsepower and efficiency ratings. Similarly, hybrid engines combine traditional internal combustion engines with electric powertrains, leading to significant gains in fuel efficiency and reduced emissions.In conclusion, understanding engine rating is vital for anyone involved in the automotive and aviation industries. It not only affects the performance and efficiency of vehicles but also plays a significant role in environmental sustainability. As consumers become more informed and regulations tighten, the importance of engine rating will only continue to grow. By keeping abreast of advancements in engine technology and performance metrics, stakeholders can make better decisions that align with both consumer demands and ecological considerations.

“发动机评级”的概念在工程领域，尤其是在汽车和航空工业中至关重要。它指的是对发动机性能能力的测量，这可以包括功率输出、效率和排放。理解“发动机评级”对制造商、工程师和消费者都至关重要，因为它直接影响车辆设计、燃油消耗和环境影响。当我们谈论“发动机评级”时，通常会提到马力和扭矩等参数。马力表示发动机在一段时间内执行工作的能力，而扭矩则测量发动机产生的旋转力。这两个指标对于评估一辆车在各种条件下的加速和维持速度的能力至关重要。例如，一辆具有高马力评级的汽车可能在直线速度上表现出色，但如果它的扭矩较低，可能在拖拽或爬陡坡时会遇到困难。除了动力指标外，“发动机评级”还包括燃油效率评级，通常以每加仑多少英里（MPG）来衡量汽车，或在其他地区以每百公里多少升（L/100km）来衡量。随着消费者越来越关注环境并寻求减少碳足迹，燃油效率变得越来越重要。在效率方面，较高的“发动机评级”意味着一辆车可以用更少的燃料行驶更远，这既经济又对地球更好。此外，“发动机评级”还包括排放数据，这在当今的监管环境中至关重要。许多国家对车辆排放的污染物数量有严格的规定。具有高性能评级但排放控制不佳的发动机可能在某些市场面临限制。因此，制造商必须在性能与环境责任之间取得平衡，使“发动机评级”成为车辆开发中的多方面考虑。随着技术的进步，用于提高“发动机评级”的方法也在不断演变。涡轮增压、混合动力系统和替代燃料等创新正在被实施，以增强性能，同时减少对环境的影响。例如，涡轮增压发动机可以在不增加发动机尺寸的情况下产生更多功率，从而改善马力和效率评级。同样，混合动力发动机将传统内燃机与电动动力系统结合起来，显著提高燃油效率并减少排放。总之，理解“发动机评级”对任何参与汽车和航空工业的人来说都是至关重要的。它不仅影响车辆的性能和效率，还在环境可持续性方面发挥着重要作用。随着消费者变得更加明智，法规日益严格，“发动机评级”的重要性只会继续增长。通过跟上发动机技术和性能指标的进步，利益相关者可以做出更好的决策，以符合消费者需求和生态考虑。