Three broad ways that clusters affect competition: _________;_________;_________. 战略集群影响竞争的三个主要方面是:_________;_________;_________。
A、Bringing leaveing barriers to the area 带来了退出壁垒
B、Increasing the productivity of companies based in the area 提升了区域内企业的生产率
C、Driving the direction and pace of innovation 引领了创新方向,加快创新步伐
D、Stimulating the formation of new businesses within the cluster 刺激集群内新企业的形成