The survival of an industry in an area after its original locational factors are gone. It is not unusual in industry, as sunk costs are high, and, over time, enterprises tend to reproduce external economies (Rota and Vanolo (2007) EURA Conf. Paper).
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。