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

光盘是由液物制成的，大小和个唱片差不多。

The videodisc is made of liquid crystal polymers.

影碟是由液物制成的。

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

该文研究的目的在于考溶致液体系在物驱以后能步提高采收率的问题。