Anomalous refraction is believed to be the main error source for classical astrometry.

反常折射已成为传统天体测量学的主要误差来源。

youdao

The negative refractive material is receiving much attention recently because of its many peculiar features, especially the anomalous refraction, compared with the regular material.

负折射材料是近年来研究人员关注的新型材料，与常规材料相比，它有许多非寻常的表现，特别是光的折射。

youdao