zhè zuò / dà mù dì / àn / nián dài / fēn chéng / jǐ gè / qū yù / xiǎn shì / chū / dāng dì / shè huì / yán mì / de / děng jí zhì dù

这座大墓地按年代分成几个区域，显示出当地社会严密的等级制度。

This necropolis is divided into several areas by period, revealing the strict hierarchy of the local society.