The construction of multi-sector econometric model often involves grouping millions of different goods into a few products or sectors.
当我们构造多部门数量经济模型的时候，往往要将千千万万种产品归结为几种产品或者几个部门。
The construction of multi-sector econometric model often involves grouping millions of different goods into a few products or sectors.
当我们构造多部门数量经济模型的时候，往往要将千千万万种产品归结为几种产品或者几个部门。
应用推荐