求翻译：学历构成总体以大专为主，占43.4%。正高级职称占2.6%。年龄分布中主要以36-40岁、46-50岁为主，各占21.3%；是什么意思？

The overall composition of education to college, accounting for 43.4%. 2.6% are senior title. Mainly in the age distribution of 36-40 years old ,46-50-based, 21.3% each;

In tertiary education overall, accounting for 43.4 % mainly. are senior accounted for 2.6 per cent. age distribution mainly in 46 to 36 - 50 - 40 years old, mainly aged, each accounted for 21.3 per cent;

The school record constitution overall by the technical college primarily, accounts for 43.4%.The high-level title accounts for 2.6%.In the age distribution mainly by 36-40 year old, 46-50 year old primarily, respectively accounts for 21.3%;

Educational level overall College-dominated, accounting for 43.4%. Is senior titles account for $ 2.6%. Age distribution mainly in 36-40, 46-50, 21.3%;