在针阔混交林向阔叶林演替过程中，物种丰富度指数表现为较大的波动性。

In the process of secondary succession from conifer - broadleaf forest to broadleaf forest, species richness fluctuated remarkably.

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英镑这两天将起伏不定，但FTSE 100指数表现良好。此前巴克莱资本公布了强于预期的财报，出乎市场意料。

It will be a volatile few days for the pound, but the FTSE 100 is trading well after Barclays reported stronger than expected earnings, surprising the market.

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根据一项调查，具有军事经历的执行长所率领的美国公司，过去3年、5年和10年期间，在美国股票市场的指标指数表现杰出。

U. S. companies led by chief executives with military experience have outperformed the U. S. stock market's benchmark index over the past three, five and 10-year periods, according to a survey.

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根据一项调查，具有军事经历的执行长所率领的美国公司，过去3年、5年和10年期间，在美国股票市场的指标指数表现杰出。

U. S. companies led by chief executives with military experience have outperformed the U. S. stock market's benchmark index over the past three, five and 10-year periods, according to a survey.

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