The added value of high-tech sector accounted for 31.2 percent of the total of industrial sector of Beijing,1.2 percentage points higher than that in 2000.是什么意思_The added value of high-tech sector accounted for 31.2 percent of the total of industrial sector of Beijing,1.2 percentage points higher than that in 2000.在线翻译_英语_读音_用法_例句