yán / jiū / rén / yuán / gēn / jù / jīng / tǐ / de / duì / chèn / xìng / pàn / duàn / tā / shǔ / yú / nǎ / yì / zhǒng / jīng / xì

研究人员根据晶体的对称性判断它属于哪一种晶系。

Researchers determine which crystal system it belongs to based on the symmetry of the crystal.