我相信中学生的如下问题对许多中学老师来说也是值得讨论的 ,因而我将我的答复写成如下稿件 ,供参考。欢迎讨论。●雪和冰结构上有什么区别 ?答 :水的固体有许多种 ,出现哪种晶体结构 ,主要由压强决定 ,与温度和压力有关。在常压下固体水只有一种结构。但是 ,雪花与通常我们看 I believe that the following issues of secondary school students are also worth discussing for many middle school teachers, so I have written my reply as a manuscript for your reference. Welcome to discuss. ● What is the difference between snow and ice structure? A: There are many kinds of solids in water. Which kind of crystal structure appears is mainly determined by the pressure, which is related to temperature and pressure. Solid water has only one structure at atmospheric pressure. However, snowflakes and usually we see