plane-wave migration 平面波偏移
duplex wave migration 双反射偏移
plane wave migration 平面波偏移
wave-equation migration 波动方程偏移
Synthetic seismic wave migration 合成波源偏移
Wave equation migration imaging 波动方程地震偏移成像
wave equation based migration 波动方程方法
one way wave equation migration 单程波方程偏移
wave-theoretical depth migration 波动理论深度偏移
finite element wave equation migration 有限元波动方程偏移
But was there one major wave of migration across the Bering Strait into the Americas, or several?
但是有没有一次或几次大移民浪潮是穿过白令海峡到达美洲的呢？
The third wave, perhaps 10,000 or 9,000 years ago, saw the migration from North-east Asia of groups ancestral to the modern Eskimo and Aleut.
第三次浪潮大约发生在一万或九千年前，见证了东北亚的祖先群体向现代爱斯基摩人和阿留申人的迁移。
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