成核现象

例句：

1. 1. The formation of a new crystal is often associated with a nucleation phenomenon.
   新晶体的形成往往与成核现象有关。
2. 2. In the process of crystallization, a nucleation phenomenon occurs when a small amount of material causes the formationof a large number of crystals.
   在结晶过程中，当少量物质引起大量晶体形成时，会发生成核现象。
3. 3.The study of nucleation phenomena has led to significant advancements in materials science and engineering.
   对成核现象的研究已经显著推动了材料科学和工程的进步。