那就是普朗克常量，比上它的动量。
普朗克常量的平方,乘以π再乘电子的质量。
Square of the Planck constant times pi mass of the electron.
介绍一种利用普通灯泡做辐射源测定普朗克常量的方法。
This paper introduced a method for measuring Planck's constant using a bulb as a radiation source.
介绍一种利用普通灯泡做辐射源测定普朗克常量的方法。该方法实验装置简单，易于实现。
This paper introduced a method for measuring Planck's constant using a bulb as a radiation source. The experiment setup used is simple and easily realizable.
介绍一种利用普通灯泡做辐射源测定普朗克常量的方法。该方法实验装置简单，易于实现。
This paper introduced a method for measuring Planck's constant using a bulb as a radiation source. The experiment setup used is simple and easily realizable.
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