旧石器

Paleolithic period intermediate stage important anthropolite, has Ma Baren, the Changyang man, Ding Cunren and so on.

旧石中期重要人化石，有马坝人、长阳 人、丁村人等。

Thus "DGT cores" are an antecedent of the microlithic tradition in China, East Asia, North Asia and North America.

同，也提出了旧石技术研究新课题——对劣质原料实验研究。

Stone tools at the site correspond to the middle palaeolithic period, when neanderthal man emerged, and resemble those found across Spain.

发现石工具符合旧石中期，当尼安德塔人出现候，并且和在西班牙发现也。