Planck time is the time it takes light to travel a Planck length.

普朗克时间则是光需要传播一普朗克长度所需的时间。

And the energy of the photon is also equal to Planck’s constant times the frequency.

并且光子的能量也等于普朗克常数乘以频率。

And the energy of the photon is also equal to Planck's constant times the frequency.

光子的能量也等于普朗克常数乘以频率。