界标

gēn jù wén xiàn jì zǎi hé kǎo gǔ shí wù zī liào cǐ dì shì xià shāng èr dài duàn dài fēn jiè de jiè biāo

根据文献记载和考古实物资料，此地是夏商二代断代分界的界标。

According to what recorded in literature and data from archaeological materials, this place must be the precise boundary mark between the dynasties of Xia and Shang.