internal energyinˈtə:nəlˈenədʒiＳ短语⁵⁶⁵⁵⁸ 基本例句 内能简写符号U 功和能 In the paper, modification suggestion to Vander Waals gas model is provided; state equation and internal energy formula which are more suitable for characteristic of real gas are derived. 该文对范德瓦尔斯气体模型提出修改意见，并导出更符合实际气体特点的状态方程和内能公式。 dictall