The videodisc is made of liquid crystal polymers, about the size of a phonograph record.

光盘是由液晶聚合物制成，大小和一个唱片差。

The videodisc is made of liquid crystal polymers.

碟是由液晶聚合物制成。

This paper is to investigate if lyotropic liquid crystal system can improve oil recovery after polymer flooding.

该文研究目在于考溶致液晶体系在聚合物驱以后能否进一步提高采问题。