Zhè / piān / lùn / wén / duì / xiāng / guān / lǐng / yù / zuò / chū / le / zhòng / yào / de / lǐ / lùn / gòng / xiàn

这篇论文对相关领域作出了重要的理论贡献。

This paper makes an important theoretical contribution to the field.