What are the fundamental driving factors behind the strong earnings growth projections?

在强劲的盈利增长率后面，基本的驱动因素是什么？

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Three Chinese car makers posted strong earnings growth Wednesday, powered by Beijing's measures to boost car sales.

受北京出台的提振汽车销售措施的推动，三家中国汽车生产商周三公布了强劲的收益增长。

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Growth may have been strong, they argue, but it has boosted firms' profits and raised earnings only for those at the top, while most Americans' wages have stayed stagnant.

他们争辩说，增长率也许还不错，但仅仅是企业和高收入人群的获利增加，大部分美国人的平均收入仍处在停滞状态。

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However, there is strong earnings growth projected in the third and fourth quarters of 2013.

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Leeb foresees Schlumberger delivering strong earnings growth through the end of this decade and into the next.

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Clearly, equities benefit from the ebullient conditions of the first quarter, as well as strong earnings growth from corporate America.

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