early Paleozoic era

• 早古生代

early Paleozoic era的用法和样例：

例句

1. Geochemical discrimination and correlation from the metasediments of the Erzgebirge suggest repetition of an early Palaeozoic metasedimentary sequence in metamorphic thrust units.
   厄尔士山脉变质沉积物的地球化学识别和对比表明在变质逆冲单元中重现了早古生代变质沉积层序。