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单词 Unit of mass
释义

Unit of mass

原声例句
可汗学院：统计学（视频版）

I said mass because kilograms is actually a unit of mass.

我说质量是因为千克实际上是一个质量单位。

Crash Course 综合篇

So then we convert 0.288 moles of sodium chloride into units of mass and grams.

因此，我们将 0. 288 摩尔氯化钠转换为质量和克的单位。

此间的地球

Basically over a 20 year period, methane can be 84 times as powerful per unit of mass as carbon dioxide, so it has the muscle to be as threatening as CO2.

基本上在 20 年的时间里，甲烷每单位质量的威力是二氧化碳的 84 倍，因此它具有与二氧化碳一样具有威胁性的力量。

英语百科

Mass

The kilogram is one of the seven SI base units and one of three which is defined ad hoc (i.e. without reference to another base unit).
The relation between properties of mass and their associated physical constants. Every massive object is believed to exhibit all five properties. However, due to extremely large or extremely small constants, it is generally impossible to verify more than two or three properties for any object. The Schwarzschild radius (rs) represents the ability of mass to cause curvature in space and time. The standard gravitational parameter (μ) represents the ability of a massive body to exert Newtonian gravitational forces on other bodies. Inertial mass (m) represents the Newtonian response of mass to forces. Rest energy (E0) represents the ability of mass to be converted into other forms of energy. The Compton wavelength (λ) represents the quantum response of mass to local geometry.
Depiction of early balance scales in the Papyrus of Hunefer (dated to the 19th dynasty, ca. 1285 BC). The scene shows Anubis weighing the heart of Hunefer.
Galileo Galilei (1636)

In physics, mass is a property of a physical body. It is generally a measure of an object's resistance to changing its state of motion when a force is applied. It is determined by the strength of its mutual gravitational attraction to other bodies, its resistance to acceleration or directional changes, and in the theory of relativity gives the mass–energy content of a system. The SI unit of mass is the kilogram (kg).
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更新时间：2025/6/21 23:27:03