Grasp the meaning of terminology, such as vaporization, condensation, saturated state, saturated vapor and liquid, saturated temperature and pressure, triple point,critical point and latent heat,etc.

• 掌握有关蒸气的各种术语及其意义，如汽化、凝结、饱和状态、饱和蒸气、饱和液体、饱和温度、饱和压力、三相点、临界点、汽化潜热等。