Einstein studied the relation of energy and mass.
爱因斯坦研究了能量和质量的关系。
This model is based on a one - dimensional heat conduction equation, an equilibrium press- temperature relation, energy and mass conservation relations.
喷墨过程的数值建模是建立在一维热传导公式，温度-压强关系式和能量、物质转换关系的平衡的基础上的。
This model is based on a one - dimensional heat conduction equation, an equilibrium press- temperature relation, energy and mass conservation relations.
喷墨过程的数值建模是建立在一维热传导公式，温度-压强关系式和能量、物质转换关系的平衡的基础上的。
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