研究人员再将这些纳米金刚石层转换成数十甚至上百的石墨层，象俄罗斯套娃那样一层套在一层里面。
The researchers then transformed those nanodiamonds into dozens or even hundreds of graphene layers, all nestled inside one another like little Russian dolls.
除了俄罗斯之外，只有德比尔斯公司在海底采矿，它是在纳米比亚和南非海岸开采钻石。
Apart from the Russians, the only company mining the seabed at present is De Beers, which gathers diamonds off the coasts of Namibia and South Africa.
同纳米索夫先生一样，他也认为俄罗斯急需改变。
俄罗斯向纳米技术领域注入数十亿美元资金。
石头也能发现蜜蜂在马达加斯加，巴西，纳米比亚，阿富汗，俄罗斯，莫桑比克，虽然存款的矿物是比较少见的。
The stone can also bee found in Madagascar, Brazil, Namibia, Afghanistan, Russia and Mozambique, although deposits of the mineral are relatively rare.
石头也能发现蜜蜂在马达加斯加，巴西，纳米比亚，阿富汗，俄罗斯，莫桑比克，虽然存款的矿物是比较少见的。
The stone can also bee found in Madagascar, Brazil, Namibia, Afghanistan, Russia and Mozambique, although deposits of the mineral are relatively rare.
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