BVRcIc LCs of two contact binaries

The cutoff mass ratio is under debate for contact binaries. In this paper, we present the investigation of two contact binaries with mass ratios close to the low mass ratio...接触双星（contact binaries）的临界质量比（cutoff mass ratio）目前仍存在学术争议。本文针对两颗质量比接近低质量比阈值的接触双星展开了研究。