求翻译：经济增长率的高低体现了一个国家或地区在一定时期内经济总量的增长速度，也是衡量一个国家或地区总体经济实力增长速度的标志。决定经济增长的直接因素：投资量、劳动量、生产率水平是什么意思？

High and low economic growth rate reflects the total amount in a country or region within a certain period of economic growth, as well as signs of overall economic growth rate in a country or region. Decided to direct factors of economic growth: the amount of investment, labor, productivity levels