Regrettably, when people today attempt to identify prehistoric writings such as this, they largely rely on knowledge of oracle bone characters. Li Xueqin freely admits that this is not a very objective approach, but considering the level of present knowledge, there would seem to be no other way.
說起來遺憾，如今辨認這些史前文字，多半還依賴對甲骨文的認識，李學勤坦承，這的確有失客觀，但衡量今人的知識，似乎也別無它法。