Volcanic rock develops mainly in deep formation, the distribution shows that volcanic rock has the characteristics of multi-stages and multi-times and multi-cycles.

纵向上火山岩主要发育在深部地层，火山岩的纵向分布反映了火山活动具有多期次、多旋回、间歇性强的特点。

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The eastern part is multi-stages fan delta deposit system witch is controlled by the monocline and step-fault zone and another parts in the area grow alluvial fan system.

东部为单斜、顺向断阶带构造背景控制下的多期次的扇三角洲沉积体系，部分地方发育冲积扇体系。

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Points out that refining of the clean steel by multi-stages and processes and production of the steel on a large-scale production basis are inevitably the trend of development.

指出多工序分阶段精炼，大规模经济地生产纯净钢是一种发展趋势。

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Structured in a rally format instead of the more tradition, non-stop Baja endurance competition, the NORRA Mexican 1000 offers Team SRI a unique opportunity to demonstrate the capabilities of the EV1 thanks its multi-day schedule and a series of off-road Special Stages linked via on-road transit sections.

ENGADGET: SRI EV1 brings all-electric racing to the Mexican 1000 rally (video)

"HP is still in the early stages of a multi-year turnaround, and we're making decent progress despite the headwinds, " said Meg Whitman, HP president and chief executive officer.

ENGADGET: HP exceeds Q3 expectations: rakes $29.7 billion in revenue, still posts a loss