IF-AND-ONLY-IF operation
Budget of kinetic energy and total potential energy
center-of-mass energy (=COM energy)
dissipation of energy and transformation of energy
EE(Energy-to-Energy) gain
Energy and Energy Conservation in Ningxia
Energy Conservation and Energy Consumption Reduction
energy consumption for energy efficiency of building
energy equivalent gross strain energy
Energy Loss Reduction and Energy Saving
energy resolved low-energy charged particle detector
energy saving and energy consumption decreasing
energy saving and energy consumption reduction
energy saving assessment and energy auditing
Energy utilization and energy exploitation