板块驱动力，支持宇宙力参与板块运动的观点，赞同地球质心偏移的论断，但对质心偏移的力源和成因提出不同的看法。
到目前为止，几乎全部有关板块运动驱动力源的研究，都把着眼点集中在地球内部。
Up to now, almost all researches of the driving force source of the plate movement concentrate the strarting point at the earth interior.
我们的股票类研究是以国家为单位来进行的，而不是按板块划分，因为我们认为在新兴市场，股票价格的关键驱动力是国家因素。
Our research at the stock level is structured on a country, rather than a sector basis, as we believe that the primary drivers of share prices in emerging markets are country effects.
至今还没有完整理论阐明板块运动的驱动力和地幔对流机制。
No comprehensive theory accounts satisfactorily for the driven force of plate motion and mechanism of mantle convection.
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