自从路易斯·利基博士(Dr·L·S·B·Leakey)在非洲奥杜韦峡谷进行系统性发掘以后,我们掌握了人类早在二百多万年前就已使用石器的可靠物证。石器时代占据了人类历史的99.5%,由于木制、骨制或其它易腐材料所制的工具很少有机会在长时间的自然力作用下残存下来,因此,我们必须依靠石器来解释史前人类在石器时代的行为。如果我们能够准确地分析石器及其制作过程中 Since Dr. S L. Leakey’s systematic excavations in the Odouvai Gorge, Africa, we have mastered the solid evidence of the use of stoneware as early as two million years ago. The Stone Age accounts for 99.5% of human history. Because tools made of wood, bone, or other perishable materials rarely have the chance to survive the effects of long periods of natural force, we must rely on stone to explain how prehistoric humans Stone Age behavior. If we can accurately analyze the stone and its production process