求翻译： 1979-2007年，国内生产总值年均实际增长9.8%，不仅明显高于1953-1978年平均增长6.1%的速度，而且也大大高于同期世界经济年平均增长3.0%的速度是什么意思？

In 1979-2007, the average annual gross domestic product (GDP) real growth of 9.8%, not only significantly higher than the 1953-1978 average annual growth rate of 6.1%, but much higher than the world economy over the same period the average annual growth rate of 3.0%

1979 - 2007, real GDP grew by 9.8 percent, which is clearly higher than 1953-1978 average growth rate of 6.1 % and was also significantly higher than world's economic growth in average annual rate of 3.0 %

 1979-2007 year, GDP yearly average grows actually 9.8%, not only is higher than 1953-1978 annual mean to grow obviously 6.1% speeds, moreover also greatly is higher than the same time world economics annual mean to grow 3.0% speeds

 1979-2007, 9.8% per cent average annual real growth in GDP, significantly higher than the speed the average growth of 1953-1978 not only, but also significantly higher than the world economy over the same period the average annual growth rate of 3%

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