# 其它的HI 21cm吸收盲巡项目：SKA，MeerKAT，ASKAP，AperTIF，uGMRT，FLASH，ALFALFA。 [ALFALFA] : Wu et al. 2015, Chinese Astron. Astrophys., 39, 466 == HI Absorption Lines Detected from the Arecibo Legacy Fast ALFA Survey Data. [AperTIF] : Verheijen et al. 2007, ApJ, 668, L
