One study showed, for example, that acquiring firms were on average unable to maintain acquired firms' pre-merger levels of profitability.

例如，一项研究表明，平均来看，收购公司无法维持被收购公司合并前的盈利水平。

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A new Peabody study of the Tennessee Voluntary Pre-K program reports that pre-K works, but the gains are not sustained through the third grade.

对田纳西州志愿学前教育项目的一项皮博迪新研究报告称，学前教育是有效的，但这种效果不会持续到三年级。

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The study argued, "There is no expectation that markets will return to their pre-crisis mode of operation soon."

该研究主张：“没有人预期市场将很快恢复到危机前的运行模式。”

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The Health Department submitted a pre-feasibility study to the Health Scrutiny Panel in February, which identified three potential sites.

BBC: Jersey hospital

The pre-feasibility study is underway and we look forward to keeping you up to date on this promising project.

FORBES: Iamgold To Focus On Owner-Operator Model: CEO

In September 2010, First Solar finally received approval for a pre-feasibility study for the first phase of the Ordos project.

FORBES: First Solar's Dangerous Game