About 6000 -5000 years ago, the coastline landward to advance the maximum range, and about 4500 years ago, the coastline started to retrocede.
认为距今6000—5000年海岸线向陆地推进到了最大距离,在距今4500年开始后退,之后还有数次小幅度的推进和后退。
About 6000 -5000 years ago, the coastline landward to advance the maximum range, and about 4500 years ago, the coastline started to retrocede.
认为距今6000—5000年海岸线向陆地推进到了最大距离,在距今4500年开始后退,之后还有数次小幅度的推进和后退。
应用推荐