But this is not the same as being a kind of proto-science.
但是这也并不意味着他们在处理一个科学雏形问题。
So it seems that even more ancient proto-human species knew how to sail.
看来似乎更早期的原始人类已经知道如何航海了。
Experts say the people in that area spoke a language called Proto-Indo-European.
专家说那个地区的人使用一种叫做古印欧语的语言。
Right before the extinction events, the first proto-amphibians made it onto shore.
正是在此次灭绝之前，原始两栖动物第一次爬上了陆地。
In fact, this is a proto type.
实际上它是试制型。
"Product Category", "Proto Type Product Model", "Part Name", "Part Number".
“产品类别”，“典型产品型号”，“元件名称”，“元件编号”。
"Product Category", "Proto Type Product Model", "Part Name", "Part Number".
“产品类别”，“典型产品型号”，“元件名称”，“元件编号”。
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