CGS unit

简明释义

厘米·克·秒制单位

英英释义

例句

1.The CGS unit 厘米-克-秒制单位 for pressure is defined as dyne per square centimeter.

压力的CGS unit 厘米-克-秒制单位定义为每平方厘米的达因。

2.In chemistry, concentrations are sometimes expressed using CGS unit 厘米-克-秒制单位 like grams per liter.

在化学中，浓度有时用CGS unit 厘米-克-秒制单位表示，如克每升。

3.The mass of an object can be expressed in CGS unit 厘米-克-秒制单位 as grams.

物体的质量可以用CGS unit 厘米-克-秒制单位表示为克。

4.In physics, the force can be measured in a CGS unit 厘米-克-秒制单位, such as dyne.

在物理学中，力可以用CGS unit 厘米-克-秒制单位测量，例如达因。

5.When calculating energy in a CGS unit 厘米-克-秒制单位, we often use erg.

在用CGS unit 厘米-克-秒制单位计算能量时，我们通常使用厄尔格。

作文

The CGS unit, which stands for Centimeter-Gram-Second unit, is a system of measurement that was widely used in the scientific community before the adoption of the International System of Units (SI). The CGS system is based on three fundamental quantities: length, mass, and time. In this system, length is measured in centimeters, mass in grams, and time in seconds. Understanding the importance of the CGS unit is essential for students and professionals in fields such as physics, chemistry, and engineering, where precise measurements are crucial.The history of the CGS unit dates back to the early 19th century when scientists needed a coherent system of measurement that was easier to use than the existing imperial units. The introduction of the CGS unit provided a more manageable framework for calculations in various scientific disciplines. For instance, in physics, the use of the CGS unit allows for simpler equations and a clearer understanding of concepts such as force, energy, and momentum.One of the most notable features of the CGS unit is its ease of use in theoretical calculations. For example, the formula for gravitational force can be expressed in CGS unit as F = G(m1m2)/r², where G is the gravitational constant, m1 and m2 are the masses of two objects measured in grams, and r is the distance between them measured in centimeters. This simplicity makes it easier for students to grasp fundamental concepts without the complexity that often arises from using larger units.However, as science progressed, the limitations of the CGS unit became apparent. The system lacked coherence and consistency, particularly when it came to deriving derived units like energy and pressure. Consequently, the SI system, which is based on meters, kilograms, and seconds, became the standard for scientific communication worldwide. Despite this shift, the CGS unit continues to be used in specific fields, especially in theoretical physics and certain areas of chemistry, where its simplicity and historical significance still hold value.In conclusion, the CGS unit represents a significant step in the evolution of measurement systems. While it has largely been replaced by the SI system in most applications, its influence remains in various scientific disciplines. Understanding the CGS unit and its applications not only helps students and professionals appreciate the history of measurement but also enhances their ability to engage with scientific literature that may still reference this traditional system. As we continue to explore the universe and develop new technologies, the legacy of the CGS unit will undoubtedly remain a part of our scientific heritage.

CGS单位，即厘米-克-秒单位，是一种测量系统，在国际单位制（SI）被采用之前，曾广泛用于科学界。CGS系统基于三个基本量：长度、质量和时间。在这个系统中，长度以厘米为单位，质量以克为单位，时间以秒为单位。理解CGS单位的重要性对于物理、化学和工程等领域的学生和专业人士至关重要，因为在这些领域，精确的测量是至关重要的。CGS单位的历史可以追溯到19世纪初，当时科学家们需要一个比现有的英制单位更易于使用的统一测量系统。CGS单位的引入为各种科学学科的计算提供了一个更易于管理的框架。例如，在物理学中，使用CGS单位可以使方程式更简单，并更清晰地理解力、能量和动量等概念。CGS单位最显著的特点之一是它在理论计算中的易用性。例如，重力公式可以用CGS单位表示为F = G(m1m2)/r²，其中G是万有引力常数，m1和m2是以克为单位测量的两个物体的质量，r是以厘米为单位测量的它们之间的距离。这种简单性使得学生更容易掌握基本概念，而不必面对使用较大单位时常出现的复杂性。然而，随着科学的发展，CGS单位的局限性变得明显。该系统缺乏一致性和连贯性，特别是在推导能量和压力等导出单位时。因此，以米、千克和秒为基础的SI系统成为全球科学交流的标准。尽管发生了这种转变，CGS单位在特定领域仍然被使用，特别是在理论物理学和某些化学领域，在这些领域中，其简单性和历史意义仍然具有价值。总之，CGS单位代表了测量系统演变中的一个重要步骤。虽然在大多数应用中，它已被SI系统取代，但其影响在各个科学学科中仍然存在。理解CGS单位及其应用不仅帮助学生和专业人士欣赏测量的历史，还增强了他们与可能仍引用这一传统系统的科学文献互动的能力。随着我们继续探索宇宙并开发新技术，CGS单位的遗产无疑将继续成为我们科学遗产的一部分。