Energy Variation Principle
general variation principle
Generalized variation principle
Gurtin variation principle
Hamilton variation principle
Hamilton’s law of variation principle
Hu-Jiujin Variation Principle
modified variation principle
parametric variation principle
principle of energy variation
springback variation principle
time-domain variation principle
‘bamboo’ shape variation error
annual variation
年变化
季节变化
年动态
年际变化
年变幅
年间变化
周年变化
年变动态
年变
年变[化]
annual quantity variation
annual moisture variation
annual magnetic variation