According to Turner, this ties in with the idea of a single Paleo-lndian migration out of North Asia, which he sets at before 14,000 years ago by calibrating rates of dental micro-evolution.

根据特纳的说法，这与单一的古印度人迁出北亚的想法是一致的，他通过校准牙齿微进化的速率，将其设定在14000年前。

youdao

The tools could point to an early out-of-Africa migration. Alternatively, he says, they could indicate that the Arabian peninsula was, ecologically, an extension of Africa at times.

那些石器可以表明早期人们走出非洲的迁徙，或者，它们可以说明阿拉伯半岛在社会生态学上有时是非洲的延伸。

youdao

This process of migration is one that will follow the steps as set out in the above section "Service migration and Redeployment".

这个迁移过程需要按照上面“服务迁移与重新部署”小节所描述的步骤来执行。

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But,she says things often turn out badly as they maneuver through the migration system.

VOA: standard.2009.08.21

Looking more deeply at the out-migration and its message, one big issue is clearly jobs.

FORBES: Move up http://i.forbesimg.com t Move down

In some parts of the country the decline in out-migration may be a welcome sign.

ECONOMIST: House prices and mobility

California's domestic out-migration, moreover, may have a simpler cause than dysfunctional government or high taxes.

ECONOMIST: Emigration from California