Principal component analysis showed that O. lubricum had a stronger capability of O3 stress tolerance, as compared to Ph. edulis.

主成分分析表明，四季竹对O3胁迫的耐受能力明显强于毛竹。

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Research by psychologist James O. Prochaska, Ph. D., an internationally renowned expert on planned change, has repeatedly found that change occurs in stages.

心理学家詹姆斯o·普罗查斯卡博士是一位国际著名的计划性改变的专家，他的研究一再证明了改变的产生是阶段性的。

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One is Harriet O'Day(ph), who I photographed in Ghana, which is on a page right near Theresa Garbett(ph), who I photographed in Atlanta.

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Retiree Pat O'Leary(ph) and his friend Bob Patton(ph).

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O'LEARY: On the corner of Brookfield Street, Harry Stevens(ph) is getting what's called a blue roof, courtesy of FEMA and the Corps of Engineers.

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