资源型企业在资源富集地区具有空间集群现象。
There is a phenomenon that resource-based enterprises cluster in the area which is rich in resources.
与其说他们是这次有组织的大规模集群现象的骄纵先锋，倒不如说是些绝望难民。
THEY look more like desperate refugees than the pampered vanguard of an organised mass colonisation.
产业集群现象在国外研究较早，已经被证明是推动区域经济增长的一种有效模式。
The phenomenon of industrial clusters is studied early abroad, and has already been proved to be a kind of effective mode promoting the regional economic growth.
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