用assemblage zone造句子，“assemblage zone”造句

All of the assemblage zones are recognizable throughout the Southwest China Platform, but the subzones are of local utility.

Ⅳ) Monoletes-Pinaceae-Quercus-Gramineae, Cyperaceae assemblage zone , late Pleistocene :Ⅴ) Monoletes-Quercus, Alnus-Cyperaceae, Gramineae,Mimosa assemblage zone, Holocene.