...告，1980年至2012年期间，塞国民平均预期寿命（Life Expectancy at Birth）提高5年，平均受教育年限（Mean Years of Schooling）提高2.3年，人均国民总收入（Gross National Income per capita）增长11%。
双语例句
1
Meanyearsofschooling amount to 4.8 years in Bangladesh compared with India's 4.4 years.
平均入学时间为4.8年，高于印度的4.4年。
2
Britain places a disappointing 26th, down four places from a year ago, reflecting in particular a relatively low mean number ofyears of schooling for its population.
英国排在令人失望的第26位，比一年前下降4位，相对应的尤其是其人口的一个相对较低的受教育时间。
3
Universal primary education is taken to mean six yearsofschooling, so meeting the 2015 deadline involves full enrolment by 2010 at the latest.