contemporaneous heterotopic facies是什么意思

用法例句

The syndepositional relationship might represent a unknown stratigraphic relationship in the Precambrian stratigraphic sequence of Northern Anhui.

倪园组与赵圩组为部分同期异相的地层关系是目前所建立的皖北上前寒武系地层层序中尚未显示的。