即：秦汉至晋代，犍为郡管辖：东边在安岳、乐至，靠近今天的遂宁一带;南边在宜宾的高县、屏山和泸州、贵州北部一带，过了长江;西边在雅安的名山、峨眉山以西一带;北边在成都的双流以南以及龙泉驿等，都是四川天府富庶之地!这一带的特点：农业、手工业、商贸发达，人民生活富裕，安居乐业，自然文化教育也发达、兴旺。
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