A mesoregion is a geographic region of a size between that of a city or district and that of a nation.p.
双语例句
1
The Yanshan area is the most developed region of the Meso - and Neoproterozoic stratum in north China, the whole area has continuous outcrops, complete stratum and steady deposition.
燕山地区是中国北方中—上元古界地层最为发育的地区，整个地区露头连续、地层齐全、沉积稳定。
2
Marine Meso-Paleozoic structures in the region have undergone three evolution stages of Pre-Yangzi Plate, stable platform and West Pacific active continental margin.