The main research work includes analysis based on frequency domain sub-average energy interception method of damping identification method, and were tested and compared to the analysis;

本文的主要研究工作包括基于频域分析的分段截取平均能量法阻尼识别方法的研究，并进行了试验验证和比对分析；

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The influence is greater elsewhere, especially in sub-Saharan African countries including Sudan, Burkina Faso and Niger, where climate change has driven the average income more than 20% lower.

这种影响对其他地区更大，尤其是撒哈拉以南的非洲国家，包括苏丹、布基纳法索和尼日尔，气候变化使这些国家的平均收入下降了20%以上。

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The country's economy has grown at an average of 3.5% since 2008, below the sub-Saharan African average of 5.5%.

BBC: Impression of Konza City

It is low-cost and does more than the average general purpose (GPR) prepaid card (like sub-accounts, and roadside and purchase protection).

FORBES: Bluebird vs Greendot. Prepaid wins.

Economic growth in sub-Saharan Africa should significantly outpace the global average over the next three years, according to the World Bank.

BBC: World Bank: Africa's economic growth to outpace average