Planck's constant
音標(biāo)發(fā)音
- 英式音標(biāo) [?pl??ks ?k?n.st?nt]
- 美式音標(biāo) [?pl??ks ?kɑ?n.st?nt]
- 英式發(fā)音
- 美式發(fā)音
基本解釋
- 普朗尅常數(shù)。
英英字典
- a number that never changes and that expresses the relationship between the energy of a photon and its frequency