(一)研究分子运动的意义物质的分子以各种不同的方式在不停的运动,物质的运动和运动的物质是哲学上不可分割的两个概念,它表现为没有不运动的物质和没有脱离开物质的运动。不同的物质由于其结构不同,分子运动方式各异,故显示出不同的物理力学性能,而同一物质由于其分子运动不 (1) The Significance of Studying the Movement of Molecules Molecules of matter are constantly moving in various ways, and the matter of movement and movement of matter is a philosophically indivisible concept that manifests itself in the absence of non-movement of matter and in the absence of Detach the movement of matter. Different materials have different physical and mechanical properties because of their different structures and different molecular motion patterns. However, due to their different molecular motions