几个物体在液体中,由于物体的分开和结合,引起液面升降,经常困惑着学生.本文以整体法讨论这类问题,可使分析过程简单、明了. Several objects in the liquid, due to the separation and combination of the objects, cause the liquid level to rise and fall, often confusing the students. This article discusses this type of problem in a holistic way, which can make the analysis process simple and clear.