“…After then, based on the ray acoustic model, Shou et al (1998;2006) obtained the same result on a totally absorbing target in the focused acoustic field. Over the last 30 years, the radiation force balance (RFB) means has successfully been verified in some international comparisons (Beissner et al, 1996;Civale et al, 2018), and the related details have repeatedly been described in literatures (Beissner, 2010;Qian et al, 2010;Xu et al, 2019).…”