旧石器

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

旧石器时代中期重要石，有马坝、长阳 、丁村等。

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

同时，也提出了旧石器技术研究新课题——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.

发现石器工具符合旧石器时代中期，当尼安德塔出现时候，并且和西牙发现也似。