Anglo American illustrates the dangers of geographicalconcentration.
英美资源正好反映了地理上过度集中的风险。
2
At current levels of demand any problem caused by the geographicalconcentration of supply would thus be an irritating blip rather than an existential crisis.
按照当前的需求水平，供应来源集中于某地的会引起的任何问题都只不过会让人烦恼一时，不会造成生存危机。
3
Researches have indicated that technical innovation has spatial connection and the technique concentration within a geographical area has external effects.