Together with the kilogram, initially the mass of a decaliter of distilled water, it formed the basis of the metric system.
它和千克（10升蒸馏水的重量）一起构成了公制计量的基本单位。
So if now I hang on it a mass of one kilogram, I can calculate the period of one oscillation, and one over the period F is the frequency F, and I believe that is something like 38 hertz.
如果在上面,悬挂1公斤物质，我能够计算出,振荡的周期，1除以周期,等于频率，我相信,等于大概38赫兹。
The name is a reference to International Prototype kilogram, as a base unit of mass in the International System of Units.
它的名字和国际单位中表示基本聚合物质质量千克有关。
Such as kilogram of mass unit , Kelvin of thermodynamic temperature , Joule of energy unit , Ampere of electric current intensity and Newton of force unit and so on?
比如，质量单位千克，热力学温度开尔文，能量单位焦耳，电流强度单位安培，力单位牛顿等。
The human brain is a 3-pound (1.4-kilogram) mass of jelly-like fats and tissues-yet it's the most complex of all known living structures.
人脑是一堆大约重达3磅(1.4公斤)的啫喱状物质，就像脂肪和其他组织一样，目前它还是已知的身体结构中最复杂的。
We could further assume that the two stars have the same mass of 1.5 times of the sun's mass, or 297 thousand billion billion billon kilogram.
我们还可以进一步假定，这两颗星的质量相同，都是太阳质量的1.5倍，即都是297万亿亿亿公斤。
We could further assume that the two stars have the same mass of 1.5 times of the sun's mass, or 297 thousand billion billion billon kilogram.
我们还可以进一步假定，这两颗星的质量相同，都是太阳质量的1.5倍，即都是297万亿亿亿公斤。
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