Main Results from Quantum 先进材料疑固实验室 Mechanics Laboratory of Advanced Materials Solidification Energy is quantized-energy of a system can only take on certain discrete values.Spectroscopy-Characteristic frequency of matters） Degeneracy of level g )--the number of states with the equal energy Shifting of particles from one state to another on the same level constitutes a new arrangement. 上浒充通大学 SHANGHAI JIAO TONG UNIVERSITYMain Results from Quantum Mechanics Energy is quantized—energy of a system can only take on certain discrete values. （Spectroscopy-Characteristic frequency of matters） Degeneracy of level（g）--the number of states with the equal energy Shifting of particles from one state to another on the same level constitutes a new arrangement