Any changes in habitat temperatures significantly influence their metabolism, growth rate, productivity, seasonal reproduction, and susceptibility to diseases and toxins.

栖息地温度的任何变化将显著影响其新陈代谢、生长速率、生产力、季节性繁殖和对疾病及毒素的易感性。

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Once again when initial productivity gains had been absorbed, the rate of population growth abated.

一旦最初的生产力增长被吸收殆尽，人口的增长再次衰落。

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The growth rate of real per capita output is the sum of the growth rate of per capita labor input and productivity growth.

实际人均国民生产总值的增长率是人均劳动投入增长率与生产力增长的总和。

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An optimal currency area would require convergence on monetary, fiscal, exchange rate, and political policies, which in turn would lead to productivity and growth rate convergence, explained Roubini.

FORBES: Roubini Warns Of Euro Break Up As Greek Credit Rating Tumbles

On the basis of the past few years, he thinks the trend rate of productivity growth - and thus the economy's potential growth rate - is lower than we thought before the crisis.

BBC: Inflation: Balancing the risks

The only possible economic justification for Mr Greenspan's views is that the new economy has produced a productivity miracle: a permanent increase in the underlying rate of productivity growth that is capable of being sustained through a downturn.

ECONOMIST: Lexington