The scientists focused on Mezmaiskaya Cave, a key site in the northern Caucasus Mountains within European Russia.

科学家重点研究玛兹梅斯卡亚洞穴，俄罗斯欧洲北高加索山脉上的一个关键地点。

youdao

The Russian capital has been repeatedly rocked by attacks over the last years blamed on militants from its Northern Caucasus region.

近几年内，北部高加索地区的激进分子频频在俄罗斯首都发动袭击。

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The second Chechen war, which started in 1999 and still fizzles on now, made that mountainous sliver of territory in the northern Caucasus the most dangerous place on the planet for a journalist.

99年爆发的第二次车臣战争余烟尚未散尽，对于任何记者而言，北高加索山区的小片地带胜似全球最危险的禁地。

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Nor did he overlook the handicapped, orphans,police corruption, violence in the Northern Caucasus, defense procurement, NATO,nuclear proliferation, and a foreign policy that helps raise the Russian standard of living.

VOA: standard.2009.11.12

The presidential plenipotentiary representatives in all regions, with the exception of the Northern Caucasus, should be abolished.

FORBES: Mikhail Prokhorov and Just Cause's Party Platform - Judicial Reform, a ban on United Russia's "Political Monopoly," and making Russia "the Freest Country in the World"

Among the few places in the Soviet Union where Islam remained fairly strong was the northern Caucasus.

ECONOMIST: Special

With or without some mischief-making by dark forces in Moscow, Russia would have a problem in the northern Caucasus.

ECONOMIST: Special