非均质层

例句：

1. 1. The soil is characterized by its non-uniform layer of minerals.
   土壤以其非均匀的矿物质层而著称。
2. 2. The engineer used a non-homogeneous material to build the bridge.
   工程师使用了一种非均质材料来建造这座桥。
3. 3. The scientist discovered a new type of non-homogeneous material that could be used in space exploration.
   科学家发现了一种可用于太空探索的新非均质材料。