The annual increase of GNP was 6.9 percent during the 1953-90 period and 8.8 percent during the 1979-90 period.是什么意思_The annual increase of GNP was 6.9 percent during the 1953-90 period and 8.8 percent during the 1979-90 period.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句