actual mass

简明释义

实际质量

英英释义

例句

1.In physics experiments, measuring the actual mass 实际质量 is crucial for accurate results.

在物理实验中，测量实际质量对获得准确结果至关重要。

2.Engineers must account for the actual mass 实际质量 of components when designing machinery.

工程师在设计机械时必须考虑组件的实际质量。

3.To calculate the gravitational force, you need to know the actual mass 实际质量 of the objects involved.

要计算引力，你需要知道相关物体的实际质量。

4.The rocket's fuel efficiency depends on its actual mass 实际质量 during launch.

火箭的燃料效率取决于其发射时的实际质量。

5.The actual mass 实际质量 of the sample was determined using a high-precision balance.

样品的实际质量是通过高精度天平确定的。

作文

In the world of physics, understanding the concept of mass is fundamental. Mass is often confused with weight, but they are distinct properties. Weight is the force exerted by gravity on an object, while mass is a measure of the amount of matter in an object. One important term that often arises in discussions about mass is the actual mass, which refers to the true mass of an object as measured under standard conditions, without any external influences such as buoyancy or gravitational variations. This distinction is crucial for scientists and engineers who need precise measurements for their calculations.The actual mass of an object can be determined using various methods, including using a balance scale. When an object is placed on a balance, the scale measures the force exerted by the object due to gravity, allowing us to calculate its actual mass. This measurement is essential in experiments and practical applications where accuracy is key. For instance, in chemistry, when preparing solutions or conducting reactions, knowing the actual mass of reactants allows for precise stoichiometric calculations, ensuring that chemical reactions proceed as expected.Furthermore, the concept of actual mass is significant in fields such as engineering and aerospace. When designing vehicles, engineers must account for the actual mass of materials used in construction to ensure safety and efficiency. For example, if an aircraft is designed without accurately considering the actual mass of its components, it may lead to performance issues or even catastrophic failures. Thus, the actual mass is not just a number; it is a critical factor that influences the functionality and safety of various systems.In contrast to actual mass, we also encounter the concept of apparent mass, which can vary based on the environment or conditions in which an object is placed. For example, when an object is submerged in water, it experiences a buoyant force that makes it seem lighter than it is. This apparent reduction in weight can lead to misunderstandings if one does not consider the actual mass of the object. Therefore, distinguishing between actual mass and apparent mass is vital in both scientific research and practical applications.Moreover, the implications of actual mass extend beyond the realms of physics and engineering. In everyday life, understanding the actual mass of food items can aid individuals in making healthier choices. For instance, when following a diet, knowing the actual mass of food portions helps in tracking caloric intake accurately. This knowledge empowers individuals to manage their nutrition effectively, leading to better health outcomes.In conclusion, the term actual mass encompasses a vital aspect of understanding mass in various scientific and practical contexts. It is a measure that provides clarity and precision in calculations and decisions across multiple fields. From chemistry to engineering and even personal health, recognizing the significance of actual mass enables us to make informed choices and enhances our comprehension of the physical world around us. By grasping the importance of actual mass, we equip ourselves with the knowledge necessary to navigate complex scenarios and contribute to advancements in science and technology.

在物理学的世界中，理解质量的概念是基础。质量常常与重量混淆，但它们是不同的属性。重量是重力对物体施加的力，而质量是物体中物质数量的测量。在关于质量的讨论中，一个重要的术语是实际质量，它指的是在标准条件下测量的物体的真实质量，不受浮力或重力变化等外部影响的影响。这个区别对于需要精确测量进行计算的科学家和工程师至关重要。实际质量可以通过各种方法来确定，包括使用天平。当一个物体放置在天平上时，天平测量物体因重力而施加的力，从而允许我们计算其实际质量。在实验和实际应用中，了解实际质量对于确保准确性至关重要。例如，在化学中，当准备溶液或进行反应时，知道反应物的实际质量可以进行精确的化学计量计算，确保化学反应按预期进行。此外，实际质量的概念在工程和航空航天等领域也具有重要意义。当设计车辆时，工程师必须考虑用于建造的材料的实际质量，以确保安全和效率。例如，如果在设计飞机时没有准确考虑其组件的实际质量，可能会导致性能问题甚至灾难性故障。因此，实际质量不仅仅是一个数字；它是影响各种系统功能和安全性的关键因素。与实际质量相对，我们还会遇到表观质量的概念，它可能会根据物体所处的环境或条件而变化。例如，当一个物体浸没在水中时，它会经历浮力，使得它看起来比实际轻。如果不考虑物体的实际质量，这种表观重量的减少可能会导致误解。因此，在科学研究和实际应用中区分实际质量和表观质量是至关重要的。此外，实际质量的影响超越了物理学和工程学的领域。在日常生活中，了解食物的实际质量可以帮助个人做出更健康的选择。例如，在遵循饮食时，知道食物份量的实际质量有助于准确跟踪卡路里摄入。这种知识使个人能够有效管理营养，从而获得更好的健康结果。总之，术语实际质量涵盖了在各种科学和实际背景下理解质量的一个重要方面。它是提供清晰度和精确度的度量，适用于多个领域的计算和决策。从化学到工程，甚至个人健康，认识到实际质量的重要性使我们能够做出明智的选择，并增强我们对周围物理世界的理解。通过掌握实际质量的重要性，我们为自己装备了必要的知识，以应对复杂的场景，并为科学和技术的进步做出贡献。