derived unit

简明释义

导出单位

英英释义

例句

1.Electricity consumption is often measured in kilowatt-hours, a derived unit 派生单位 of energy.

电力消耗通常以千瓦时为单位测量，这是一种能量的派生单位 派生单位。

2.In physics, speed is a derived unit 派生单位 that measures the distance traveled per unit of time.

在物理学中，速度是一个派生单位 派生单位，用于测量单位时间内行驶的距离。

3.Pressure is expressed in pascals, which is another example of a derived unit 派生单位.

压力以帕斯卡为单位表示，这是另一个派生单位 派生单位的例子。

4.The area is measured in square meters, which is a derived unit 派生单位 of length.

面积以平方米为单位测量，这是长度的一个派生单位 派生单位。

5.The derived unit 派生单位 for force is the Newton, which is defined as kg·m/s².

力的派生单位 派生单位是牛顿，定义为kg·m/s²。

作文

In the field of science and engineering, understanding measurements is crucial for accurate data interpretation and application. One of the fundamental concepts in this area is the idea of a derived unit, which refers to a unit of measurement that is derived from the base units defined in the International System of Units (SI). For instance, while the meter is a base unit for measuring length, the unit of speed, which is meters per second (m/s), is a derived unit because it combines the base unit of length with the base unit of time, the second. This relationship illustrates how derived units allow us to express complex measurements in a standardized way.Derived units are essential for expressing quantities that cannot be represented by base units alone. For example, consider the unit of force, known as the newton (N). The newton is defined as the amount of force required to accelerate a one-kilogram mass by one meter per second squared. This definition shows that the newton is a derived unit, as it is calculated using the base units of mass (kilograms), length (meters), and time (seconds). By using derived units, scientists and engineers can convey complex relationships between different physical quantities more effectively.The importance of derived units extends beyond just theoretical applications; they are widely used in practical scenarios as well. In fields such as physics, chemistry, and engineering, professionals rely on derived units to communicate their findings and ensure that they are understood universally. For instance, when discussing energy, we often use the joule (J), which is another derived unit. The joule is defined as the energy transferred when one newton of force is applied over a distance of one meter. This clear definition helps bridge the gap between different scientific disciplines, allowing for collaborative efforts in research and development.Moreover, the use of derived units simplifies calculations and conversions in scientific work. For example, when calculating pressure, which is defined as force per unit area, the standard SI unit is the pascal (Pa). The pascal is a derived unit that is equivalent to one newton per square meter. This means that scientists can easily convert between different units of pressure, such as atmospheres or bar, knowing that these are also derived units based on the same fundamental principles.In conclusion, the concept of derived units is integral to the scientific community, providing a framework for expressing complex measurements in a coherent manner. By understanding derived units, individuals can better grasp the relationships between various physical quantities and apply this knowledge in real-world situations. As technology advances and new fields of study emerge, the reliance on derived units will only continue to grow, underscoring their significance in fostering communication and collaboration across disciplines. Ultimately, mastering the use of derived units is essential for anyone aspiring to work in science and engineering, as it lays the groundwork for precise measurement and effective problem-solving.

在科学和工程领域，理解测量对于准确的数据解释和应用至关重要。在这一领域的基本概念之一是“派生单位”的概念，这指的是从国际单位制（SI）中定义的基本单位衍生出的测量单位。例如，米是测量长度的基本单位，而速度的单位，即米每秒（m/s），就是一个派生单位，因为它将长度的基本单位与时间的基本单位（秒）结合在一起。这种关系说明了派生单位如何使我们能够以标准化的方式表达复杂的测量。派生单位对于表达无法仅用基本单位表示的量是必不可少的。例如，考虑力的单位，称为牛顿（N）。牛顿被定义为使一千克质量以每秒一米的速度加速所需的力。这个定义表明牛顿是一个派生单位，因为它是使用质量（千克）、长度（米）和时间（秒）的基本单位计算得出的。通过使用派生单位，科学家和工程师能够更有效地传达不同物理量之间的复杂关系。派生单位的重要性不仅限于理论应用；它们在实际场景中也被广泛使用。在物理、化学和工程等领域，专业人士依靠派生单位来交流他们的发现，并确保这些发现被普遍理解。例如，在讨论能量时，我们通常使用焦耳（J），这也是一个派生单位。焦耳被定义为当一牛顿的力施加在一米的距离上时转移的能量。这一定义清晰地帮助弥合了不同科学学科之间的差距，使研究和开发中的合作努力成为可能。此外，使用派生单位简化了科学工作中的计算和转换。例如，在计算压力时，压力被定义为单位面积上的力，标准SI单位是帕斯卡（Pa）。帕斯卡是一个派生单位，相当于每平方米一牛顿。这意味着科学家可以轻松地在不同的压力单位之间进行转换，例如大气压或巴，因为这些也是基于相同基本原理的派生单位。总之，“派生单位”的概念对科学界至关重要，为以一致的方式表达复杂的测量提供了框架。通过理解派生单位，个人可以更好地掌握各种物理量之间的关系，并在现实世界的情境中应用这些知识。随着技术的进步和新研究领域的出现，对派生单位的依赖只会继续增长，突显了它们在促进跨学科交流与合作中的重要性。最终，掌握派生单位的使用对于任何希望在科学和工程领域工作的人来说都是必不可少的，因为它为精确测量和有效解决问题奠定了基础。