isotypic

例句：

1. 1. The two samples are isotypic; they have the same chemical composition.
   这两个样本是同质的，它们的化学组成相同。
2. 2. The research team found that the isotypic compounds had similar properties to those of the original substance.
   研究小组发现，同质化合物与原始物质具有相似的属性。
3. 3. The isotypic structure of the protein is crucial for understanding its function.
   蛋白质的同质结构对于理解其功能至关重要。