The first is to improve the quality of data on tobacco use.

第一，改进对烟草消费的数据统计。

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An additional factor is the poor quality of data provision from Germany.

另外一个原因是德国提供数据的质量太差。

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IBRD's work in statistics has been seminal to the series of improvements in terms of poverty measurement and overall quality of data in Latin America and the Caribbean.

国际复兴开发银行在统计领域开展的工作，对拉美和加勒比地区贫困评估的改进和数据总体质量的提高发挥了根本性作用。

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Reducing the quantity and quality of data available to policymakers, analysts and researchers threatens to exacerbate this problem.

FORBES: Who's Afraid of Economic Data?

Long-term monitoring requires expertise that comes only with years on the job, so the quality of data from new entrants is always a bit suspect.

ECONOMIST: Greenhouse-gas monitoring

"Today's trade data release has not instilled any more confidence in either the quality of data or the strength of the recovery, " said IHS Global Insight analyst Alistair Thornton in a report.

NPR: China's March Imports Rise In Sign Of Recovery