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Occasional volcanic eruptions had layered minerals throughout the outcrops .

间歇的火山爆发使出露岩层的矿物分层。

Layered missile defence offers the best chance to shoot down attacking ballistic missiles .

分层导弹防御系统提供了最好的机会击落来袭弹道导弹。

Moreover , its layered structure can also ensure it 's a practical system .

此外，它的分层结构也保证了它是一个可行的系统。

It is evident from figure 7 that layered architecture is an extension of the mvc architecture .

从图7中可以明显看出，分层结构是mvc结构的一种拓展。

Intelligence to prevent attacks is part of what experts call a " layered " security approach .

防止袭击的情报是专家所说的“分层”保安措施的一部分。