well-stratified meaning in Chinese

分层良好的

All the pottery assemblages were in well - stratified sequences and could be the most invaluable materials in constructing the prehistoric cultural chronology of the area
由于出土的陶器全都层位关系明确，这些古物提供研究本地史前文化编年的宝贵资料。
The sha ha excavation was one of the largest archaeological excavation works ever conducted in hong kong . the various cultural phases were deposited with well - stratified sequences . rich archaeological features and finds dated to the late neolithic period c . 5 , 000 b . c
沙下发掘可说是本港有史以来最大规模的田野发掘之一，总发掘面积达三千馀平方米，文化层序清晰明确，出土丰富新石器时代晚期（距今约五千年）及青铜器时代（距今约三千年）的遗迹和遗物，尚有不少汉代和宋明时期的文化遗存。