旧石器时代的

The mtDNA Legacy of the Levantine Early Upper Palaeolithic in Africa - Back-migrations of ancient Asian populations through the Levant contributed to the peopling of northern and eastern Africa.

线粒体上游旧石器时代早期遗留的东方非洲-背古亚洲迁徙种群通过运动会为peopling北部和东部非洲。

Other finds, among which are some thin flint blades, could have come from the mesolithic period .

而其他发现的是一些薄燧石刀片，可以追溯到可能是来自中古旧石器时代。

Other finds, among which are some thin flint blades, could have come fromthe mesolithic period .

而其他发现的是一些薄燧石刀片，可以追溯到可能是来自中古旧石器时代。

Our fundamental human drives have not changed from the Paleolithic era, hundreds of thousands of years ago.

人类的基本驱力从旧石器时代以来就没有改变，都几十万年了。

It's the final culture of the upper paleolithic.

是旧石器时代最后的文化

They may cause the system to fight the use of stone tools belonging to the Paleolithic Age.

他们会制造使用打制的石器，属于旧石器时代。

Some fragments seemed to have come from the lower paleolithic time.

有一些碎片看起来像似晚期的旧石器时代。

A stone implement of the Paleolithic Age.

旧石器时代使用的石制工具。

From the existing archaeological discoveries, we can see that in the Paleolithic Age, there have been a tip-shaped stones, stone balls, stone hand axes, bone spears. Until the end of the Neolithic Age, there appeared a large number of stone axes, stone shovels, stone knives and bone harpoons, arrowheads, and even copper tomahawks, copper axes and so on.

从现有的考古发现中我们可以看到，在旧石器时代，已出现了尖状石器、石球、石手斧、骨角加工的矛，而到了新石器时代末期，则出现了大量的石斧、石铲、石刀和骨制的鱼叉、箭镞，甚至还有铜钺、铜斧等。

The religions of archaic cultures - the cultures of the Paleolithic, Mesolithic, and Neolithic ages - are also referred to as primitive.

宗教古老文化-文化的旧石器时代， m esolithic，和新石器时代的年龄-也被称为原始的。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。