求翻译：以杨家坪步行街为核心的商业区，是主城五大商圈之一，面积1.29平方公里。现有百货、电器、超市类重点商贸企业40余家，其中，年销售额亿元以上企业15家。新世纪瑞成商都、龙湖西城天街、国美电器、沃尔玛等一批重点商贸企业骨干带动作用日益增强，杨家坪商圈“多层次、多类别、多特色”的商业格局基本形成。是什么意思？

Yangjiaping Pedestrian Street as the core business district, is one of the main city of the five major shopping district, an area of ​​1.29 square kilometers. Key commercial enterprises of the existing department stores, electrical appliances, supermarket class of more than 40 enterprises with annua

In Yang, within walking distance of the central street in downtown, is the main city 5 city area, one of 1.29 square kilometers. The existing 100 supermarkets, electrical appliances, enterprise class business focused on more than 40 years, in which more than $100 million sales business 15. A new cen

Walks the street take Yang Jiaping as the core business district, is host city one of five big business circles, area 1.29 square kilometers.Existing general merchandise, electric appliance, supermarket class key business enterprise 40, among, year sales volume hundred million Yuan above enterprise

Core the yangjiaping pedestrian street of downtown, is one of the main city of the five major shopping district, an area of 1.29 square kilometres. Classes focus on existing stores, electrical appliances, the supermarket trade enterprises in more than 40 companies, with annual sales of million Yuan