system of units

简明释义

单位制

英英释义

A system of units is a set of standard units used to measure physical quantities, such as length, mass, and time, which are defined by specific conventions.

单位制是一组用于测量物理量(如长度、质量和时间)的标准单位,这些单位由特定的约定定义。

例句

1.Engineers must ensure that their designs comply with the international system of units 单位制 to avoid confusion.

工程师必须确保他们的设计符合国际system of units 单位制以避免混淆。

2.When converting measurements, it is important to understand the differences between various system of units 单位制.

在转换测量时,理解不同system of units 单位制之间的差异是很重要的。

3.In science classes, we often learn about the metric system of units 单位制 used for measuring length, mass, and volume.

在科学课上,我们经常学习用于测量长度、质量和体积的公制system of units 单位制

4.The United States primarily uses the imperial system of units 单位制, which differs from the metric system.

美国主要使用英制system of units 单位制,这与公制单位制不同。

5.The scientific community has largely adopted the SI system of units 单位制 for consistency in research.

科学界已大部分采用SIsystem of units 单位制以保持研究的一致性。

作文

The concept of a system of units is fundamental in both science and everyday life. A system of units refers to a set of measurements used to quantify physical quantities. For instance, the International System of Units (SI) is the most widely adopted system of units globally. It provides a standard framework that ensures clarity and consistency in communication across various scientific disciplines. In our daily lives, we frequently encounter different systems of units. For example, when cooking, we might use the imperial system, measuring ingredients in cups and ounces, while in scientific research, we often rely on the metric system, using liters and grams. This divergence can sometimes lead to confusion, especially when precise measurements are crucial. Therefore, understanding the importance of a system of units is essential for effective communication and collaboration. One of the primary reasons for having a standardized system of units like the SI is to facilitate international cooperation in science and technology. Scientists from different countries need to share their findings, and using a common system of units eliminates misunderstandings that could arise from using different measurement systems. For example, if one researcher publishes data in inches while another uses centimeters, it can create significant challenges in interpreting the results accurately. Moreover, the adoption of a universal system of units helps in education. Students learning physics, chemistry, or engineering benefit from a consistent approach to measurement. They can focus on understanding concepts rather than getting bogged down by converting between different systems of units. This consistency is particularly vital in fields where precision is paramount, such as medicine or aerospace engineering, where even the smallest error in measurement can have dire consequences. The evolution of systems of units has also reflected technological advancements. The SI was established in 1960, but its roots go back to the French Revolution when the metric system was first introduced. Over the years, it has been refined to include new measurements that cater to modern scientific needs, such as the mole for measuring the amount of substance and the candela for luminous intensity. This adaptability showcases the dynamic nature of a system of units, allowing it to grow alongside scientific discovery. In conclusion, the significance of a system of units cannot be overstated. It serves as the backbone of scientific communication, education, and international collaboration. As we continue to advance technologically and scientifically, the need for a reliable and universally accepted system of units will remain critical. Understanding how to navigate these systems of units is not just an academic exercise; it is a necessary skill for anyone engaged in the sciences or any field that relies on precise measurements. By embracing a common system of units, we pave the way for clearer communication and more accurate understanding in our increasingly interconnected world.

“单位制”的概念在科学和日常生活中都是基础性的。“单位制”是指用于量化物理量的一组测量标准。例如,国际单位制(SI)是全球最广泛采用的“单位制”。它提供了一个标准框架,确保在各个科学领域之间的交流清晰且一致。在我们的日常生活中,我们经常会遇到不同的“单位制”。例如,在烹饪时,我们可能使用英制单位,以杯和盎司来测量配料,而在科学研究中,我们通常依赖公制单位,使用升和克。这种差异有时会导致混淆,特别是在精确测量至关重要的情况下。因此,理解“单位制”的重要性对于有效沟通和合作至关重要。采用像SI这样的标准化“单位制”的主要原因之一是促进国际科学和技术合作。来自不同国家的科学家需要共享他们的发现,使用共同的“单位制”消除了因使用不同测量系统而产生的误解。例如,如果一位研究人员以英寸发布数据,而另一位使用厘米,这可能会在准确解读结果时造成重大挑战。此外,采用统一的“单位制”也有助于教育。学习物理、化学或工程的学生受益于一致的测量方法。他们可以专注于理解概念,而不是被不同“单位制”之间的转换所困扰。这种一致性在精度至关重要的领域尤其重要,例如医学或航空航天工程,任何微小的测量错误都可能导致严重后果。“单位制”的演变也反映了技术的进步。SI于1960年建立,但其根源可以追溯到法国大革命,当时首次引入了公制。多年来,它不断完善,以包括满足现代科学需求的新测量单位,例如用于测量物质数量的摩尔和用于光强度的坎德拉。这种适应性展示了“单位制”的动态特性,使其能够与科学发现共同发展。总之,“单位制”的重要性不容小觑。它作为科学交流、教育和国际合作的支柱。随着我们在技术和科学方面的不断进步,对可靠且普遍接受的“单位制”的需求将继续保持关键。理解如何驾驭这些“单位制”不仅仅是学术练习;它是任何从事科学或依赖精确测量的领域的人所必需的技能。通过接受共同的“单位制”,我们为更清晰的沟通和更准确的理解铺平了道路,在这个日益互联的世界中。

相关单词

units

units详解:怎么读、什么意思、用法