因此，考古学、DNA及大量的学术见解都极明确地告诉大家，最早不过一万五千年前，人类从东北亚抵达了北美洲。
So archaeology, DNA, and the bulk of academic opinion, are telling us effectively that everybody in America arrived from north-east Asia less than 15, 000 years ago.
结果表明，赤狐华南亚种和东北亚种上毛髓质指数在同一亚种的不同部位及亚种间差异极显著（P<0.01）。
The result indicated that there existed significant difference between different positions of the same subspecies and between different subspecies(P<0.01).
一方面，高新技术提升和优化了东北传统产业结构，另一方面，高新技术产业也可以成为东北的另一个经济增长极。
On the one hand, the high-new-tech advanced and optimized the structure of traditional industries. On the other hand, the high-new-tech industry also could be another increasing pole.
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