external economies of scale

Financial firms cluster in London because they derive external economies of scale.

在伦敦的金融机构受益于彼此产生的规模效应.

The technical diffusion is in favor of improving the competitiveness of enterprises, forming external economies of scale, promoting the optimizing and upgrading of industrial structures.

技术扩散提高了区域内企业的竞争力，有利于形成企业的外部规模经济，对产业的优化升级也有着一定的促进作用。

professor li explained the external economies of scale theory in class.

李教授在课堂上讲解了外部规模经济理论。

And by regional integration of the industry as a whole on the third dimension, with it functional mechanism being regional external economies of scale.

在区域&地带尺度上，空间集聚特点是产业的区域复合，作用机理是区域外部规模经济。