1. We need to study the micromechanism of this material to understand its properties at a molecular level.
我们需要研究这种材料的微观机制，以了解其在分子水平上的性质。
2. The researchers are investigating the micromechanisms involved in the degradation of the polymer.
研究人员正在调查参与聚合物降解的微观机制。