通信基础设施指数 TII
基础设施水平指数 Infrastructure level index
基础设施利用效率指数 efficiency index of infrastructure used
《国际生活》杂志主要根据九大因素得出了这一年度指数，其中包括：生活成本、文化休閒、 经济、环境、自由度、健康、基础设施、安全风险和气候。
To produce the annual index, International Living considers nine categories: Cost of Living, Culture and Leisure, Economy, Environment, Freedom, Health, Infrastructure, Safety and Risk, and Climate.
为此，BCG指数计入健康、教育和基础设施以及GDP增长波动和不平等之类更为不寻常的指标。
To do so the BCG index takes into account investment in health, education and infrastructure as well as more unusual measures such as the volatility of GDP growth and inequality.
非洲是一个大陆，人口与基础设施之间的差距呈指数增长。
Africa is a continent where the gap between the population and infrastructural growth is increasing exponentially.
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